When budding bounty hunter Chateau Dankworth faces a formidable opponent who unexpectedly becomes her ally, she grapples with their intertwined fates. Assigned to neutralize the skilled assassin Song Ryang-ha, a man with a complex connection to her, Chateau enters a precarious pact with him. As they navigate a dangerous dance of trust and danger, their shared past threatens to unravel their precarious alliance, jeopardizing their very existence.