“How do you kiss?” The eyes boil. "I've never kissed.. help me.. yes?" Seo-ha, a divorced woman who runs a cafe, feels strangely attracted to Ji-hoo, a part-time job worker who has just turned 20. Seo-ha wants Ji-hoo whenever she thinks of her unhappy marriage. Seo-ha is hopelessly drawn into a relationship with Ji-hoo. Just like when she was dating her ex, her husband, Yeon-woo. "Breathe. I'll do it one more time."