Tem Piranha no Aquário.

Silvia, a former prostitute from a country town, after winning the corner of Loto, buys the main hotel in her town and, in retaliation, turns it into a brothel. After successive confusions among the guests, all involved in excusable activities, she ends up killing her gigolo lover who always extorted money from her. The manager tells the police that he arrests everyone except Silvia, as she flees to Rio de Janeiro. For lack of evidence, she escapes later judgment and becomes a victorious owner of sauna and massage houses. Valdo, a sensationalist journalist, decides to do a story about her, putting her in evidence and arousing the interest of a trio of cheaters who try to sell her a business in bankruptcy. One of the men pretends to be a great businessman, having as a partner a sophisticated Frenchwoman...