Bored with their marriage, the architect Marcelo proposes his wife Ana, a relation to three, with another sexual partner. The woman accepts, but the situation escapes from Marcelo's control because Ana engages lovingly with each other, and Marcelo no longer fits in the triangle proposed.

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.

In the underworld of "Boca do Lixo" in São Paulo, a heterogeneous group of prostitutes turns an alley into a meeting point where customers are attracted. They are women who sell themselves to men of all classes. Surrounded by drunks, addicts, bandits, drug dealers and pimps, together they form a gallery of characters put together by affliction and disappointment. Cora, an older woman who works to support her paralytic son. Beth, kind of a leader, who had to prostitute herself at an early age after leaving her small country town. Sônia, the most intelligent of the group, who lets herself be exploited by a ruffian. Brigite, daughter of factory workers. Vera, who just started in the profession. In addition to the drama of these women, there are many others who give themselves daily to customers who ignore their fate