In the outskirts of Tokyo, a poor but close-knit group living on the fringes of society survives through shoplifting and odd jobs. When Osamu and his son take in a neglected young girl, their already fragile existence begins to unravel. As the family grows attached to her, buried secrets surface, forcing them to confront the true meaning of love, belonging, and what makes a family.
Ryota is an unpopular writer although he won a literary award 15 years ago. Now, Ryota works as a private detective. He is divorced from his ex-wife Kyoko and he has an 11-year-old son Shingo. His mother Yoshiko lives alone at her apartment. One day, Ryota, his ex-wife Kyoko, and son Shingo gather at Yoshiko's apartment. A typhoon passes and the family must stay there all night long.
A thug offers to pay a law student's gambling debt if the student will accompany him on a trip across Tokyo.
