The tutorial covers adding social authentication to a Laravel application using the Socialite package. The goal is to allow users to sign up for websites using their social media accounts, without having to remember a password every time they log in. To achieve this, the tutorial explains how to add Facebook, Twitter, and GitHub login capabilities to the app, including creating applications on each platform, adding credentials to the config/services.php file, and implementing routes and controllers for redirecting users to the OAuth providers and handling provider callbacks. The tutorial also covers testing social login functionality and provides a conclusion on the ease of use of Socialite.