After a long training stint in the rain forest，Leonardo is eager to team up with his brothers again-as the Teenage Mutant Ninja Turtles．But the Ieader of the group comes home to find each of his brothers doing his own thing．There Is no team，and no one thinks about family anymore．What’s worse。somethine dark and mysterious is taking place in New York City!Determined to find out what’s going on，Leonardo tries to gather his brothers，Casey Jones．and April O’Neil aeainst a formidable force of stranee creatures-Stone Generals and out-of-this-world monsters-not to mention the sneaky Foot Ninla．and an obscure fegend that is somehow dangerously real!It's up to the Turtles to save the world．But before that can happen，they must first come together as ateam-and as a family．