"Jealous" man-killer Mayumi (Hitomi Kozue) is sent back into solitary confinement after being re-arrested for the murder of the doctor who fingered her for a botched surgery. After emerging from solitary confinement to find an all-new gang of bullies picking on a meek, young female prisoner, Mayumi is now a much harder soul who takes no attitude from anyone, and she turns savage when the poor girl is enslaved by Yakuza.

A nurse is framed for medical malpractice. In prison she meets the boss of their cell who is in for a crime of passion. They both have a reason to escape... revenge.

Densuke Hamazaki is an office worker at Suzuki Construction and gets transferred to the main Tokyo office. After settling in to his surrounding along with his wife Eri, Densuke befriends an elderly man named Ichinosuke Suzuki. Ichinosuke is a lonely and old man who learns to enjoy life again through his friendship with Densuke. Meanwhile, Densuke is completely unaware that Ichinosuke is the boss of his construction company. The two men become friends through their shared passion for fishing.