The Turtles have been forced to move in with their friend the news reporter April O'Neil, because the Foot Clan knows the whereabouts of their lair in the sewers. While the Turtles are looking for a new home, they encounter a pizza delivery boy, Keno, who is trying to fight off a band of robbers. The Turtles intervene and help him. The turtles learn that Shredder is not dead and that he is searching for the green ooze that created them. Shredder hopes to create a group of mutant animals to use against the turtles. So the turtles have to prove again that they are the better ninja fighters.