A man named Lucio decides to avenge the death of his sister-in-law after she is killed during a break-in. In order to complete this task, he must become part of a gang.

Based on true events, tells the story of the Granny-Killer who muredered almost 50 old ladies in the 90s.

The mafia has to end in a place where they will gather together to have fun. When the supposed "party of the badasses" occurs, official groups in disagreement hire a specialist with the assignment of eliminating the "obstacles": LA ALACRANA, who will make everyone feel her force in "La Fiesta De Los Perrones!"

After being rejected from a job offer along with his friends, a mariachi is desperate for work. Pressured by his wife and his mother really ill, his only option is to join a drug trafficking gang.

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.