A young girl comes to prison and experiences the entire prison subculture. The inmates she befriends vary from big tough dangerous dames to smaller submissive ladies who are totally lost in prison life.

Emma and Lucia grow up together in an orphanage and remain friends throughout adulthood. When Emma has to work away from home, she entrusts her daughter to Lucia. When she receives word that her daughter has died, she is desolate - but whose child did, actually, pass away?