Love, sex and death get mixed in a love story between two desperate boys in a big city.

On a farm in rural Brazil in the 18th century, a new overseer arrives. He falls in love with one of the enslaved women, Mestiça, beloved by all the men. When a pair of silver earrings disappears from the farm and the overseer orders the leader of the enslaved women arrested, Mestiça decides to take revenge.

Eva is a beautiful model who’s hired to star in a campaign to sell a marvelous new product: the male contraceptive pill. But it isn't easy to win the confidence of its target market, since they believe it causes impotence.

André is the powerful owner of an illegal casino and popular gambling ("Jogo de Bicho") on the streets. His gang is in war against the gang of Fiore that is trying to steal the gambling establishments of André. When the prostitute Margot sees her old friend and ex-con Sarja working as a waiter in the casino where she tricks clients, she invites him to stay with her in her apartment. When André, who is gay, sees the handsome Sarja, he falls in love with his employee that becomes his protégée. Meanwhile, Sarja and Margot plot to steal the high stakes on St George's Day and they invite André's henchman Lobão and two gangsters to participate in the heist. Meanwhile Fiore also plots to steal André's money with his gang.

According to an Amazonian indigenous legend, a certain insect, Anophelis sexualis, has aphrodisiac properties: one who is bitten by it will surely die if it does not have sex within two hours. Knowing this news, Hans Muller, a scientist, moves to the habitat of the insect and collects several specimens for research in his laboratory in the city of Ilha Bela, on the coast of São Paulo. There, besides the local administration and the population, there are several tourists. By an accident, the insects flee and attack the world.