Mika (Marie Ono), a Japanese-American woman, returns to her native Saitama hometown and becomes a therapist for a "nemuriba" ("a place to sleep").
A novelist Rihito Shiraishi meets Saki Honda, a somewhat eccentric woman, and he is attracted to her. Triggered by Saki's suicidal attempt and reading her diary, Shiraishi recognizes that their encounter was not a coincidence. United by an airplane accident, they start to face their true selves eventually, influencing one another.
A couple university students go camping in the mountains. When they return to Tokyo they find it empty. Lost in Shibuya their relationships start to collapse.
