When Mario gets kidnapped by I.M. Meen, who intended to do this with Jeffy, Jeffy and his friends, Junior, Joseph, and Cody (along with his robot, Mebo) go on a quest to save Mario in 6 days before it is too late.

When Mario gets kidnapped by I. M. Meen, his adoptive son, Jeffy has to save him in 6 days, with help from his friends, Junior, Joseph, and Cody - With some assistance from Cody's robot, Mebo, as Jeffy and his friends cannot drive the car Cody invented.—Zachary Potter