Shin Joshu Sasori: Tokushu Fusa X (1977)

Shin Joshu Sasori: Tokushu Fusa X 1977 / 新・女囚さそり　特殊房Ｘ 1977 / New Female Prisoner Scorpion: Special Cellblock X , Shin Joshuu Sasori: Tokushu Fusa X , 新・女囚さそり　特殊房Ｘ（エックス）

A nurse is framed for her involvement in the hospital murder of a politician who was threatening to expose corrupt practices. She escapes from jail but is captured and sent back, resulting in the rest of the inmates being punished, added to which a new, tougher head of security arrives to take up her new job... (Source: TMDb)