The son of a wealthy businesswoman returns home from boarding school. His mother, always busy with business and with her ambitious lover, realizes that her son suffers for being a homosexual. Having killed a teacher who abused him, the trauma makes him keep killing.

High-school hijinks and song/dance numbers.

A gang instills terror in the classrooms, libraries, and school playgrounds. Led by Malvino, the so-called "Porros" extort and push young students into the degraded world of drugs, alcohol, & violence. They turn innocent kids into criminals & social scourges.

Mario Almada returns as "el fiscal de hierro", in this entry his family is kidnapped by gang leader Ramona Pineda.

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.

After a ferocious confrontation with the federal police, "El Chacha" is betrayed by his partner Mariano, who believes him to be dead.

A Colombian Mafia teams up with a Mexican Mafia from Sinaloa and together they traffick drugsvand fight the law. Only one federal officer is after them.