Commissioner Gordon loses a friend in Batman, but gains a new one when he interrogates Clayface's severed arm. Meanwhile, Harley and Clayface try to steal the arm back, and Psycho and Ivy visits the Cowled Critic who dared to criticize Harley's crew.

Harley gets an invite to the Legion of Doom's prospective members party, but Ivy discovers that it's her they're really after.