Before her marriage to the son of a rich executive a woman is assaulted by a sadistic gang and video taped. After the wedding the gang begins to make their demands.

Shinobu Himeno is arrested and thrown into Asahi Female Prison for being an unwilling accomplice in a jewelry store robbery. She’s to serve her sentence in the infamous Cell Block 21, a dismal area full of tough, sex-starved women. Himeno is bullied and abused by inmates and guards. After being framed for starting a fight, she is taken away and tied up. Can the shy Himeno ever escape this living hell?

An erotic drama depicting the friendship and love affair between two women living together.