Based on a real event, twelve dead bodies are found in the Tula River, we see the events that lead up to the massacre in a tale of crime, vice, corruption and sleaze.
Tizoc wishes to eat a chicken by himself and have his own piñata. At Christmas his father Carmelo grants his wish.
Solovino is called like that because no one knows where he came from. He is a miserable province man trying to improve his life, but sees himself forced to steal to survive. When he comes up with a large jewelry bounty a pair of cops offer him his freedom in exchange of the bounty and becomes the target of the police harassment.