Through the film, Ivan makes a couple of odd decisions in order to overcome his detachment. First, he goes along with the wild desires of his girlfriend, Rosa. Later he gets tricked into adopting a pig. At a time when Ivan's life turns absurd, he must find himself; beyond death and unbearable heat. The film is also an allegory about the desire to overcome the current hard times in México.
Lidia is a responsible and dedicated maid for a hugely wealthy, elderly Tijuana matron who loves only her pet whippet. Rafael is a quiet and dignified janitor who buys a new pair of shoes to celebrate his imminent retirement from the large corporate facility where he's worked for 30 years. When Lidia's boss dies, leaving everything to her dog, and Rafael's plans get derailed, they both turn to criminal subterfuge to get what their harsh lot in life has denied them.
While leading a police investigation of a massacre in a public school at the border of Mexico and U.S.A, special Agent Emanuel Ritter links this strange case to the coming and rising of the ancient demon Belzebuth. But in order to stop the trail of upcoming infanticides, Ritter shall have to confront himself before dealing with the forces of good and evil.