Nakata, a salaryman going through divorce mediation, wanders into a small bar during a business trip and meets Hikari, its young owner. Divorced and raising a child, she runs the place alone after taking over from her mother. They drink while sharing stress and complaints until both pass out in the bar. When he sees an unexpectedly erotic side of her, he can no longer contain himself, and they cross the line into a three-day affair spent finding comfort in each other's bodies.