Relentless is an emotional tale of redemption, revenge, and retribution. Turning her back on her self-indulgent days as a cat burglar, Selina Kyle has taken on a new mission of protecting and providing for her neighborhood on Gotham's East Side. But when Catwoman's activities begin to affect the operations of Black Mask's criminal empire, the vicious mob leader mounts a personal attack on the femme fatale by firebombing a community center and sadistically torturing her younger sister. Now fueled by a savage fury, Catwoman gives in to her rage and unleashes a brutal attack on Black Mask that may turn her from city protector to wanted murderer.