Rei is a freelance writer embattled by personal demons. She hears voices in her head, and has sleeping problems, eating disorders and drinks excessively. On Valentine's Day, she meets truck driver Takatoshi. She joins him on a journey in his bumpy and shaky truck - which vibrates in tune with her uneasy soul.

Hisashi gets fired from his temp job due to his impulsiveness. One day he meets Chikako, a housewife who constantly shoplifts at the supermarket he regularly goes. He somehow agrees to help her to look for her run-away son, Masaru. Unfortunate to Hisashi, Masaru starts following his around instead of returning home, after he was found by Hisashi. Then they end up stealing a gun from a police officer! In their course of running away, the similar two who cannot adapt to society very well start to develop a mutual friendship…