Arcade villain-turned-hero Ralph and his glitchy best friend Vanellope von Schweetz embark on a high-stakes adventure into the vast, uncharted world of the internet. Their mission? To track down a crucial replacement part to save Vanellope’s beloved game, Sugar Rush. As they dive into the digital chaos, they encounter the quirky inhabitants of the web—netizens—who guide them through trending sites, viral videos, and online marketplaces. Along the way, they team up with Yesss, a savvy algorithm and the mastermind behind the trendsetting platform BuzzzTube. But as their journey unfolds, Ralph and Vanellope's friendship is put to the ultimate test in a world where anything—and anyone—can go viral.