Jammerhead busts his way out of prison, looking to even the score with his Turtle foes. Thanks to a newly developed chip, he can download fighter footage and instantly mimic the moves of the best martial artists. He tracks down and confronts the Turtles during a visit from Starlee's alien family. Now the turtles have to protect Starlee's family and figure out how to 'beat' the new & improved Jammerhead.