When Detective Ihwa goes undercover to dismantle a drug syndicate, his mission clear: get close to its cold-blooded boss, Taegon. At first, the plan runs smoothly, until Taegon sees through the disguise. But instead of handing Ihwa over, he traps him with threats and twisted control, forcing him to stay at his side. As Ihwa searches for a way out, fragments of a past he thought forgotten begin to surface, revealing that his connection to Taegon runs far deeper than he ever imagined...