In an underclass neighborhood of Mexico City, a place where a unique troupe features a circus act, led by Don Ramón, he and his wife Petra have to take care of the daughter of a neighbor who has been jailed for drug trafficking. Petra decides that the girl must earn a living, entrusting her several domestic tasks; while befriending Pepito, who works as a clown on the street. Things get complicated when someone with satanic tendencies arrives to Ramon's house, and the visitor develops an interest on Petra. A fight between the three adults causes that the little girl suffers a fatal accident, so the solution will be to use her meat for the tamales sold by Petra.

In an underclass neighborhood of Mexico City, a place where a unique troupe features a circus act, led by Don Ramón, he and his wife Petra have to take care of the daughter of a neighbor who has been jailed for drug trafficking. Petra decides that the girl must earn a living, entrusting her several domestic tasks; while befriending Pepito, who works as a clown on the street. Things get complicated when someone with satanic tendencies arrives to Ramon's house, and the visitor develops an interest on Petra. A fight between the three adults causes that the little girl suffers a fatal accident, so the solution will be to use her meat for the tamales sold by Petra.

People lost in a forest are murdered one-by-one.

The fifth commandment to the ten commandments of the cartel.

An already-busy police force are facing not only a wave of recent inner crime but now face a psycho who kills women in one of the multiple lines of the Mexico City Metro.