Roberto makes a pact with the devil to please his multiple lovers sexually, Satan accepts the deal but promises to snatch his soul when he finds true love. Meanwhile, two cops are on the lookout for those responsible of a murderous drug on the streets.
Martha is a single woman who becomes pregnant and commits suicide after giving birth to a pair of twins, Jessica and Angelica, who are adopted separately. Years later, Angelica becomes a lawyer working for the mafia. Jessica, who was adopted by a prostitute, has become a criminal and is now arrested for the murder of her husband. In prison she tries to be friends with the director without success and she has to pay her sentence.
A man joins forces with a Vietnam veteran to take revenge on his father, the most powerful drug lord on the border, who he blames for his mother's fall from grace.