In a post-apocalyptic and dystopian future, all life has been challenged by oppression and tyranny, as the evil Dr. Robotnik is on the wake of controlling Mobius.
Mario, Luigi and Princess Toadstool are living in Dinosaur Land and have a cute always hungry dinosaur named Yoshi as a pet and a caveman child as a friend. They must stop evil King Koopa and his minions the Koopalings.
A bumbling cyborg inspector outfitted with an array of bizarre gadgets pursues the criminal organization M.A.D., all while his precocious niece and dog do the real investigative work.