Pipo, Pau and Mau, three youngsters who spend their time shooting video pranks, visit a distant town where a beast is attacking its residents. Upon arrival, the pranksters will discover that the beast is very different than they thought.

Cagalera and Moloteco are two teenagers from San Gregorio Atlapulco who are desperate to get out and move up and away from oppressive circumstances. When they hear of an opportunity to buy a spot in the electrician’s union, which could transform their lives, they quickly devolve into the criminal, adult underworld of Mexico City in a bid to buy their freedom.