Young-cheol lives alone with his stepmother. His stepmother invites her close younger friend, Young-ran, over to the house, and the three of them have drinks together. Young-cheol falls for Young-ran at first sight. His stepmother gets drunk and falls asleep on the sofa, while Young-cheol desperately wants to sleep with Young-ran. Young-ran refuses to give in easily, but Young-cheol keeps persistently pursuing her without backing down. What will happen between the two of them tonight?