Y/N, a simple woman, joins the deadly games to pay off debts after her mother's death. Young-Il, a heartless soul, controls the games, watching everything from afar while sipping on his glass of whisky. But this year is different. When he spots Y/N, number 160, during the game of "Red Light, Green Light," he can't help but grow more obsessed with her. The first game ends, and Young-Il decides it's time to join the games himself, meet her, and make her his forever. Not that he will allow anyone else to even look at her But will Y/N really trust him?