Kim Taehyung, once an innocent soul, has become the feared king of the underworld, molded by betrayal and heartache. Park Bo Young, the woman who played a pivotal role in his transformation, has tried to escape her past and find redemption. But fate has other plans. As their paths cross again, a forced marriage binds them together, reigniting old flames and uncovering deep scars. Can love emerge from the darkness, or will their shared history doom them both?