Teenage Mutant Ninja Turtles is based on the Teenage Mutant Ninja Turtles franchise comic books. When the NYPD is unable to stop a severe crime wave caused by the Foot Clan, four new vigilantes, Leonardo, Michelangelo, Donatello and Raphael, will come forth to save the city. Under the leadership of Splinter and together with their new-found allies April O'Neil and Casey Jones, they will fight back and take the battle to Shredder.