Digimon Adventure The story follows a group of children who are transported to the Digital World, a parallel universe existing on the Internet, and are partnered with creatures called Digimon, who can evolve into stronger forms and fight against the forces of evil. The series is broken up into several different arcs, each with its own set of villains and challenges. The main antagonists of the series are the Dark Masters, a group of powerful Digimon that are controlling the Digital World