April is showing the turtles the site of the new Channel Six building. The turtles are reminded of April's birthday, which they have forgotten about. The Technodrome, meanwhile, is under enemy attack. Bebop and Rocksteady are sent out to investigate, and are abducted by a female alien outlaw name Shreeka who was Krang's partner until he double-crossed her. Shreeka held a grudge against Krang for that. It took her ages to hunt him down, but finally she has and want the Power Pack Energy Ring Krang stoled from her.