Dan Phantom returns from outside of time and steals Clockwork's power to rewrite history and get revenge against Danny Phantom. Having realized Dan's incredible power from before, Danny must get the help of his new friends to help stop his evil counterpart. However, he is unaware of how dangerous Dark Danny has become, thus putting he and the Toon Force at great risk. This takes place three years after The Return of Finn and is based on Captain America: The Winter Soldier, and Dragon Ball Z: Future Trunks Arc.