Night. A girl in a school uniform blends into the crowd and heads home. Coincidence and inevitability. For the girl, it's a moment she won't even remember. For the man, it's a moment that fills his memory. The man follows the girl and learns that she grew up in a privileged family, attended a prestigious high school, and that her parents are not home today. The man breaks into the empty house. The bathroom, the toilet, the girl's room. He wanders around the house, searching for the girl's lingering scent, waiting for her to return home. A happy and unforgettable time...