The film sees the four Turtles ( Raphael , Leonardo , Donatello , and Michelangelo ) grow apart after their final defeat of the Shredder , when strange things are happening in New York City as ancient creatures threaten the world and the Turtles must reunite to save it .
The story begins with the four Turtles ( Raphael , Leonardo , Donatello , and Michelangelo ) having grown apart after their final defeat of the Shredder .