Bowser and Eggman have successfully taken over, and almost everyone is dead. The only ones who remain are Crystal, Joey, the triplets, Junior and a non-robotic Alvin. It's up to them to beat Bowser and Rggman and return peace to what little is left of their worlds
(However Joey at first is trapped)
Joey wakes up to find himself trapped in some kind of tube. HE knew this was undoubtedly somewhere in bowser's castle, but he didn't know where. "Where am I...?" He murmured