Guillem Agulló y Salvador was killed by a stab in the heart by a group of neo-Nazis on April 11, 1993. Destroyed, his parents, Guillermo and Carmen, will fight so that the death of their son is not manipulated, and is not considered the fruit of of a simple gang fight. The way, full of obstacles, threats and a dirty media war, will be about to destroy the family, who must learn to mourn the death of a child while fighting for his memory, which little by little becomes the symbol of a cause they would never have thought to lead.

A group of filmmakers sets out to document an isolated rural community rumored to practice ancient rituals, but their investigation quickly unravels as they encounter something far older and more disturbing than expected.