After surviving being shot and then buried beneath a collapsing building, Peacemaker returns home only to realize that his freedom comes at a price. He is now part of Amanda Waller's new team fighting a mysterious new threat. Can he eliminate the threat without making things worse?

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.