Dr. Barlow holds a member of the Claw Clan hostage! Alopex has run out of options, and she can't take on Barlow alone. Forced to seek the aid of the TMNT, whose friendship she renounced after they forged an alliance with the Shredder, Alopex forms an uneasy truce with the Turtles, one that is put to the test when they must work together to bring Barlow to justice. Meanwhile, Leatherhead gets a new perspective on the consequences of his work enforcing Barlow's plans.