In this tutorial, the author guides readers through building a live streaming web application using Vue and Express setup. The full-stack application includes features such as a landing page that asks for a code to enter the site, a router (Vue Router) to implement routes and a navigation guard, a state management library (Vuex), and a backend server with two endpoints. The author also discusses setting up Vue Router and Vuex, creating a protected entry page with a navigation guard, and setting up the backend server for security purposes.