Aurora, the Underworld’s top assassin, and Dante, a ruthless Mafia kingpin, are married. To protect their "peaceful" marriage, she poses as a fragile florist while he pretends to be a cowardly tech guy. Behind each other's backs, they bloodily wipe out enemies to keep their secrets, leading to endless hilarious misunderstandings.
But during a black-market heist, their masks slip mid-gunfight. Exposed, the power couple joins forces. Facing a family mutiny and global syndicates, they unleash pure, violent aesthetics to protect one another. Smashing all enemies to rule the underworld together, they casually return to their sweet, cozy married life.