Camila Padro, a well-renowed journalist is accused of murdering her husband is given eight years in prison. Upon arriving there, she is confronted with the violence and aggressiveness of the inmates.

Nadia Meyer was raised in a prostitution house in Valparaíso and is the daughter of an American sailor who she never met. She was raped by her stepfather when she was a teen, when she grew up she kills him and imprisoned for that. Years later she becomes the leader in the women's prison.