Young prostitutes are taken to a penal school run by a group of nuns so that they can recover. However, the current mother superior is actually a mad assassin who killed the real one and took her place, changing the entire treatment and discipline regime of the boarding school.
A young couple, Rodrigo and Aimé, who love each other deeply and possess everything to achieve full happiness, are hit by fate: She suffers an accident and becomes paralyzed.
Upon arriving at the building where he works, Pedro finds the janitor, Hilário Garcia, dead inside one of the elevators. Inspector Canovas, in charge of the case, discovered that Hilário was Portuguese, widowed, with an only child living in the United States. Several suspicious people are...