Teenage Mutant Ninja Turtles: Mutant Mayhem is a new adventure of the popular story created in the mid-80s, the plot of which is unknown. However, it will follow an adolescent version of Leonardo, Raphael, Michelangelo and Donatello, four turtles who, after being exposed to a radioactive substance, become anthropomorphic animals, created by Splinter, a mouse that suffered the same mutation, who took care of them not only as father, but as a mentor and martial arts teacher. The group becomes the watchmen and protectors of New York City, fighting threats from the Foot Clan, the villainous Shredder.