The story takes place five years after the events of "Ben 10: Alien Force." Ben is now a confident and experienced hero, but he struggles with the weight of his responsibilities. As he navigates his new life, he must confront a new villain, Will Harangue, who seeks to destroy the Omnitrix and eliminate Ben's alien transformations. Along the way, Ben teams up with his friends Kevin and Gwen to form a powerful trio, taking on various enemies and saving the world from destruction.