After killing her father who'd attempted to rape her, Maria da Guerra has been sentenced to prison for life. The wardress can be a sadistic lesbian without humanity or mercy. Where rape and torture are part of their reality upon her birth Maria is taken to a special section for prisoners. That the Regional Governor arrives, claiming to have received a letter describing incredible events one afternoon. The writer of the letter was clearly unaware the juvenile is also part of the conspiracy. A nurse pretending to be the prison physician Moore, carlos Costa, falls in love. After seducing him, Maria kills him with a pair of scissors and flows with her friends Bertha and the distressed Rosario, hoping to locate refuge within the Governor's house, unaware that he will not help them...