The video "i HACKED my wife’s web browser (it’s SCARY easy!!)" showcases how to hack someone's web browser using a tool called beef. The process is demonstrated on a Linux server, where malicious code is inserted into a website and a link is sent to the target device. The video creator emphasizes that hacking should only be done for educational purposes and not without explicit permission. The video also discusses the security vulnerabilities posed by Microsoft Edge and cross-site scripting (XSS) attacks, and provides an example of how an XSS script can be injected into a website. The video explains how to use Beef, a browser exploitation framework, to hack a wife's web browser and shows how it can be used for social engineering attacks such as a Google Phish attack on a mobile browser. The speaker advises viewers to be cautious of unsolicited links and to avoid clicking on links they don't recognize.