diff --git a/package.json b/package.json
index 4488cb3..4faff3b 100644
--- a/package.json
+++ b/package.json
@@ -5,9 +5,11 @@
   "dependencies": {
     "react": "^16.9.0",
     "react-dom": "^16.9.0",
+    "react-redux": "^7.1.1",
     "react-router": "^5.0.1",
     "react-router-dom": "^5.0.1",
-    "react-scripts": "3.1.1"
+    "react-scripts": "3.1.1",
+    "redux": "^4.0.4"
   },
   "scripts": {
     "start": "react-scripts start",
diff --git a/redux-basics.js b/redux-basics.js
new file mode 100644
index 0000000..bbb1bc3
--- /dev/null
+++ b/redux-basics.js
@@ -0,0 +1,23 @@
+const redux = require('redux');
+const createStore = redux.createStore;
+
+const initialState = { number: 0 };
+const reducer = (state = initialState, action) => {
+  if (action.type == 'ADD') {
+    return ({ ...state, number: state.number + 1 });
+  } else if (action.type == 'ADD_VALUE') {
+    return ({ ...state, number: state.number + action.value });
+  } else {
+    return state;
+  }
+}
+
+const store = createStore(reducer);
+console.log(store.getState());
+
+store.subscribe(() => {
+  console.log('[Subscription]', store.getState());
+});
+
+store.dispatch({ type: 'ADD' });
+store.dispatch({ type: 'ADD_VALUE', value: 5 });
\ No newline at end of file
diff --git a/src/components/Todo/Todo.js b/src/components/Todo/Todo.js
index 9c80927..d1adba6 100644
--- a/src/components/Todo/Todo.js
+++ b/src/components/Todo/Todo.js
@@ -8,10 +8,12 @@ const Todo = (props) => {
     <div className="Todo">
       <div
         className={`text ${props.done && 'done'}`}
-        onClick={props.clicked}>
+        onClick={props.clickDetail}>
         {props.title}
       </div>
       {props.done && <div className="done-mark">&#x2713;</div>}
+      <button onClick={props.clickDone}>{(props.done) ? 'Undone' : 'Done'}</button>
+      <button onClick={props.clickDelete}>Delete</button>
     </div>
   );
 };
diff --git a/src/containers/TodoList/NewTodo/NewTodo.js b/src/containers/TodoList/NewTodo/NewTodo.js
index 59e7930..16f151f 100644
--- a/src/containers/TodoList/NewTodo/NewTodo.js
+++ b/src/containers/TodoList/NewTodo/NewTodo.js
@@ -4,27 +4,21 @@ import { Redirect } from 'react-router-dom';
 
 import './NewTodo.css';
 
+import { connect } from 'react-redux';
+import * as actionTypes from '../../../store/actions/actionTypes';
+
 class NewTodo extends Component {
   state = {
     title: '',
     content: '',
-    submitted: false
   }
 
   postTodoHandler = () => {
-    const data =
-      { title: this.state.title, content: this.state.content }
-    alert('submitted' + data.title);
-    // this.props.history.push('/todos');
-    this.props.history.goBack();
-    this.setState({ submitted: true });
+    this.props.onStoreTodo(this.state.title, this.state.content);
+    this.props.history.push('/todos');
   }
 
   render() {
-    let redirect = null;
-    if (this.state.submitted) {
-      redirect = <Redirect to='/todos' />
-    }
     return (
       <div className="NewTodo">
         <h1>Add a New Todo!</h1>
@@ -36,7 +30,7 @@ class NewTodo extends Component {
         ></input>
         <label>Content</label>
         <textarea rows="4" type="text" value={this.state.content}
-          onChange={(event) => this.setState({ content: event.target.content })}
+          onChange={(event) => this.setState({ content: event.target.value })}
         >
         </textarea>
         <button onClick={() => this.postTodoHandler()}>Submit</button>
@@ -45,4 +39,11 @@ class NewTodo extends Component {
   }
 }
 
-export default NewTodo;
\ No newline at end of file
+const mapDispatchToProps = dispatch => {
+  return {
+    onStoreTodo: (title, content) =>
+      dispatch({ type: actionTypes.ADD_TODO, title: title, content: content }),
+  }
+};
+
+export default connect(null, mapDispatchToProps)(NewTodo);
\ No newline at end of file
diff --git a/src/containers/TodoList/RealDetail/RealDetail.js b/src/containers/TodoList/RealDetail/RealDetail.js
index 89500a3..36d2c97 100644
--- a/src/containers/TodoList/RealDetail/RealDetail.js
+++ b/src/containers/TodoList/RealDetail/RealDetail.js
@@ -2,8 +2,22 @@ import React, { Component } from 'react';
 
 import './RealDetail.css';
 
+import { connect } from 'react-redux';
+import * as actionTypes from '../../../store/actions/actionTypes';
+
 class RealDetail extends Component {
+
+  componentDidMount() {
+    this.props.onGetTodo(this.props.match.params.id);
+  }
+
   render() {
+    let title = '';
+    let content = '';
+    if (this.props.selectedTodo) {
+      title = this.props.selectedTodo.title;
+      content = this.props.selectedTodo.content;
+    }
     return (
       <div className="RealDetail" >
         <div className="row">
@@ -11,6 +25,7 @@ class RealDetail extends Component {
             Name:
         </div>
           <div className="right">
+            {title}
           </div>
         </div>
         <div className="row">
@@ -18,6 +33,7 @@ class RealDetail extends Component {
             Content:
         </div>
           <div className="right">
+            {content}
           </div>
         </div>
       </div>
@@ -25,4 +41,17 @@ class RealDetail extends Component {
   }
 };
 
-export default RealDetail;
\ No newline at end of file
+const mapStateToProps = state => {
+  return {
+    selectedTodo: state.td.selectedTodo,
+  };
+};
+
+const mapDispatchToProps = dispatch => {
+  return {
+    onGetTodo: id =>
+      dispatch({ type: actionTypes.GET_TODO, targetID: id }),
+  }
+}
+
+export default connect(mapStateToProps, mapDispatchToProps)(RealDetail);
\ No newline at end of file
diff --git a/src/containers/TodoList/TodoList.js b/src/containers/TodoList/TodoList.js
index 6cb72c1..331335d 100644
--- a/src/containers/TodoList/TodoList.js
+++ b/src/containers/TodoList/TodoList.js
@@ -7,6 +7,10 @@ import { NavLink } from 'react-router-dom';
 
 import './TodoList.css';
 
+import { connect } from 'react-redux';
+import { withRouter } from 'react-router';
+import * as actionTypes from '../../store/actions/actionTypes';
+
 class TodoList extends Component {
   state = {
     todos: [
@@ -18,21 +22,19 @@ class TodoList extends Component {
   }
 
   clickTodoHandler = (td) => {
-    if (this.state.selectedTodo === td) {
-      this.setState({ ...this.state, selectedTodo: null });
-    } else {
-      this.setState({ ...this.state, selectedTodo: td });
-    }
+    this.props.history.push(this.props.match.url + '/' + td.id);
   }
 
   render() {
-    const todos = this.state.todos.map(td => {
+    const todos = this.props.storedTodos.map(td => {
       return (
         <Todo
           key={td.id}
           title={td.title}
           done={td.done}
-          clicked={() => this.clickTodoHandler(td)}
+          clickDetail={() => this.clickTodoHandler(td)}
+          clickDone={() => this.props.onToggleTodo(td.id)}
+          clickDelete={() => this.props.onDeleteTodo(td.id)}
         />
       );
     });
@@ -59,4 +61,19 @@ class TodoList extends Component {
   }
 }
 
-export default TodoList;
\ No newline at end of file
+const mapStateToProps = state => {
+  return {
+    storedTodos: state.td.todos,
+  };
+}
+
+const mapDispatchToProps = dispatch => {
+  return {
+    onToggleTodo: (id) =>
+      dispatch({ type: actionTypes.TOGGLE_DONE, targetID: id }),
+    onDeleteTodo: (id) =>
+      dispatch({ type: actionTypes.DELETE_TODO, targetID: id }),
+  }
+}
+
+export default connect(mapStateToProps, mapDispatchToProps)(withRouter(TodoList));
\ No newline at end of file
diff --git a/src/index.js b/src/index.js
index 87d1be5..271efaf 100644
--- a/src/index.js
+++ b/src/index.js
@@ -4,7 +4,23 @@ import './index.css';
 import App from './App';
 import * as serviceWorker from './serviceWorker';
 
-ReactDOM.render(<App />, document.getElementById('root'));
+import { Provider } from 'react-redux';
+
+import { createStore, combineReducers } from 'redux';
+
+import todoReducer from './store/reducers/todo';
+
+const rootReducer = combineReducers({
+  td: todoReducer,
+});
+
+const store = createStore(rootReducer);
+
+ReactDOM.render(
+  <Provider store={store}>
+    <App />
+  </Provider>,
+  document.getElementById('root'));
 
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.
diff --git a/src/store/actions/actionTypes.js b/src/store/actions/actionTypes.js
new file mode 100644
index 0000000..eef36b5
--- /dev/null
+++ b/src/store/actions/actionTypes.js
@@ -0,0 +1,5 @@
+export const GET_ALL = 'GET_ALL';
+export const ADD_TODO = 'ADD_TODO';
+export const GET_TODO = 'GET_TODO';
+export const TOGGLE_DONE = 'TOGGLE_DONE';
+export const DELETE_TODO = 'DELETE_TODO';
\ No newline at end of file
diff --git a/src/store/reducers/todo.js b/src/store/reducers/todo.js
new file mode 100644
index 0000000..25d772f
--- /dev/null
+++ b/src/store/reducers/todo.js
@@ -0,0 +1,45 @@
+import * as actionTypes from '../actions/actionTypes';
+
+const initialState = {
+  todos: [
+    { id: 1, title: 'SWPP', content: 'take swpp class', done: true },
+    { id: 2, title: 'Movie', content: 'watch movie', done: false },
+    { id: 3, title: 'Dinner', content: 'eat dinner', done: false }
+  ],
+  selectedTodo: null,
+};
+
+const reducer = (state = initialState, action) => {
+  switch (action.type) {
+    case actionTypes.ADD_TODO:
+      const newTodo = {
+        id: state.todos.length + 1,
+        title: action.title,
+        content: action.content,
+        done: false
+      };
+      return { ...state, todos: state.todos.concat(newTodo) };
+    case actionTypes.DELETE_TODO:
+      const deletedTodos = state.todos.filter((todo) => {
+        return todo.id !== action.targetID;
+      });
+      return { ...state, todos: deletedTodos };
+    case actionTypes.TOGGLE_DONE:
+      const modified = state.todos.map((todo) => {
+        if (todo.id === action.targetID) {
+          return { ...todo, done: !todo.done };
+        } else {
+          return { ...todo };
+        }
+      });
+      return { ...state, todos: modified };
+    case actionTypes.GET_TODO:
+      const target = { ...state.todos[action.targetID - 1] };
+      return { ...state, selectedTodo: target };
+    default:
+      break;
+  }
+  return state;
+};
+
+export default reducer;
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 54cccc1..d988d7a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -770,6 +770,13 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/runtime@^7.5.5":
+  version "7.6.2"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.6.2.tgz#c3d6e41b304ef10dcf13777a33e7694ec4a9a6dd"
+  integrity sha512-EXxN64agfUqqIGeEjI5dL5z0Sw0ZwWo1mLTi4mQowCZ42O59b7DRpZAnTC6OqdF28wMBMFKNb/4uFGrVaigSpg==
+  dependencies:
+    regenerator-runtime "^0.13.2"
+
 "@babel/template@^7.1.0", "@babel/template@^7.4.0", "@babel/template@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.4.tgz#f4b88d1225689a08f5bc3a17483545be9e4ed237"
@@ -4422,7 +4429,7 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
-hoist-non-react-statics@^3.1.0:
+hoist-non-react-statics@^3.1.0, hoist-non-react-statics@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.0.tgz#b09178f0122184fb95acf525daaecb4d8f45958b"
   integrity sha512-0XsbTXxgiaCDYDIWFcwkmerZPSwywfUqYmwT4jzewKTQSWoE6FCMoUVOeBJWK3E/CrWbxRG3m5GzY4lnIwGRBA==
@@ -7939,11 +7946,23 @@ react-error-overlay@^6.0.1:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.1.tgz#b8d3cf9bb991c02883225c48044cb3ee20413e0f"
   integrity sha512-V9yoTr6MeZXPPd4nV/05eCBvGH9cGzc52FN8fs0O0TVQ3HYYf1n7EgZVtHbldRq5xU9zEzoXIITjYNIfxDDdUw==
 
-react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4:
+react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.9.0:
   version "16.9.0"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
   integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
 
+react-redux@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-7.1.1.tgz#ce6eee1b734a7a76e0788b3309bf78ff6b34fa0a"
+  integrity sha512-QsW0vcmVVdNQzEkrgzh2W3Ksvr8cqpAv5FhEk7tNEft+5pp7rXxAudTz3VOPawRkLIepItpkEIyLcN/VVXzjTg==
+  dependencies:
+    "@babel/runtime" "^7.5.5"
+    hoist-non-react-statics "^3.3.0"
+    invariant "^2.2.4"
+    loose-envify "^1.4.0"
+    prop-types "^15.7.2"
+    react-is "^16.9.0"
+
 react-router-dom@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/react-router-dom/-/react-router-dom-5.0.1.tgz#ee66f4a5d18b6089c361958e443489d6bab714be"
@@ -8122,6 +8141,14 @@ recursive-readdir@2.2.2:
   dependencies:
     minimatch "3.0.4"
 
+redux@^4.0.4:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/redux/-/redux-4.0.4.tgz#4ee1aeb164b63d6a1bcc57ae4aa0b6e6fa7a3796"
+  integrity sha512-vKv4WdiJxOWKxK0yRoaK3Y4pxxB0ilzVx6dszU2W8wLxlb2yikRph4iV/ymtdJ6ZxpBLFbyrxklnT5yBbQSl3Q==
+  dependencies:
+    loose-envify "^1.4.0"
+    symbol-observable "^1.2.0"
+
 regenerate-unicode-properties@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.1.0.tgz#ef51e0f0ea4ad424b77bf7cb41f3e015c70a3f0e"
@@ -9115,6 +9142,11 @@ svgo@^1.0.0, svgo@^1.2.2:
     unquote "~1.1.1"
     util.promisify "~1.0.0"
 
+symbol-observable@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
+  integrity sha512-e900nM8RRtGhlV36KGEU9k65K3mPb1WV70OdjfxlG2EAuM1noi/E/BaW/uMhL7bPEssK8QV57vN3esixjUvcXQ==
+
 symbol-tree@^3.2.2:
   version "3.2.4"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.4.tgz#430637d248ba77e078883951fb9aa0eed7c63fa2"