Eva operates as the underworld's most lethal assassin until she executes a target who happens to be her destiny-decreed soulmate, instantly triggering a fatal cosmic backlash. Her only salvation lies with Leo, a bumbling divine cupid who has failed his celestial licensure examinations for ten consecutive millennia.
Bound together by a three-meter metaphysical thread that kills them if severed, the mismatched pair must outrun elite assassin squads while uncovering a syndicate manipulating mortal romance. As Leo repeatedly absorbs bullets for her, the ice around Eva's heart melts, forcing her to decide if love is a vulnerability or salvation.
