While Mexico swims in the oil veins that were deeded to him by the Devil, a bureaucrat is thrown into a whirlwind of intrigue and international espionage where he discovers that the guts of the beast in charge are one and the same, and the evacuation conduit itself. : We are the shit of that monster. At the same time, a man and a woman discover that behind their passion there is a dark reality that drives them to disguise as action what is only hunger, suffering, desire.

A documentary covering the years Luis Buñuel spent in Mexico making films.