As the Turtles try to find pieces of a strange metal Baron Draxum is looking for, Splinter intents to get to the bottom of odd goings-on at April's new job at the Foot Shack. He soon learns that the Foot plan to resurrect their ancient master the Shredder by reassembling the Kuroi Yoroi armor. As the parties clash, the secrets of Splinter's past finally come to light.