Amanda Waller needs Kryptonite, and only Lex Luthor has it! But a deal like this won't be cheap-or easy. And soon, the dark energies of the Black Vault are driving everyone in Belle Reve Penitentiary to acts of violent, bloody madness. Everyone except Harley Quinn, who's somehow been...cured? Plus: welcome to Evil Anonymous, the support group for super-villains in need, where no problem is too insane or homicidal. Collects SUICIDE SQUAD #5-8 and the HARLEY QUINN AND THE SUICIDE SQUAD APRIL FOOL'S SPECIAL #1!