after the big hedded N dude stole the crystals to power up his dimentionater. he and crash get sucked into a famillier world of the mushroom kingdom. and crash arived just in time couse bowser is about to succeed on kidnapping mario and peach. wile cortex tries to join forces with bowser crash is collecting the crystals that were spreaded out after the innsodent. and wile hes at it hes also gonna trie to help mario.