After the events of "Toad's Mistake 3", Toad invades the MSPT universe, looking for Mario and his friends to kill and conquer with the help from The Elite (a banished creator of the Warp Zone). Mario, Sonic, Luigi, and Tails has a mission to travel across the Warp Zone, gather as many people as possible to fight, and defeat Toad. Witness the events of Mario, his friends, and his family have to go against, and an ending to the unforgettable moment that later happens in all of the Warp Zone's history.