Ryuta and Mineo Komatsu are brothers, both yakuza (gangsters). Mineo, although complicit in crime, even murder, wants out of the gangster life, hoping to become a successful singer instead. Ryuta loves his brother, but Mineo's possible defection presents problems for the gang, and Ryuta realizes he must kill his brother if he wants to survive.

Keiko Yukawa is a former prostitute and the newest inmate at White Lily, a female rehabilitation facility.

Following the death of Mr Masago, his wife Satomi loses the family's cosmetics company to Mr Mogy due to huge amount of withdrawal debt caused by her husband. Mogy blackmails Satomi's sister Hinako into marrying him, so he will not send Masago to jail, and Satomi wrongly understands that Hinako is dating Mogy.

University students Sudo and Mori make money by picking up rich girls in dance clubs and conning them into giving them cash. Mori is the brains of the operation, and Sudo is the suave dancer who picks up the girls. Sudo becomes gradually involved with three different girls and is drawn into the gangster milieu, which he seems unable to resist even though he is responsible for his mother, grandmother, and sister Masako. In this world of bad boys and girls, Masako is the pillar of strength and moral virtue who finally enables Mori to straighten out.