Supervillains Harley Quinn, Bloodsport, Peacemaker and a collection of nutty cons at Belle Reve prison join the super-secret, super-shady Task Force X as they are dropped off at the remote, enemy-infused island of Corto Maltese.
Billy Batson and his foster siblings, who transform into superheroes by saying "Shazam!", are forced to get back into action and fight the Daughters of Atlas, who they must stop from using a weapon that could destroy the world.