In a small Spanish village, all the rumors and legends revolve around a mysterious boy born under a strange curse. Raised by an old solitary wolf, this infant quickly grows into a tormented and lonely young man, marked by a dark destiny. His mother, a woman who had a fateful encounter with a mad prisoner, tries to protect him from the outside world, but it soon becomes evident that things cannot continue this way.
Over time, the young man transforms into a handsome yet melancholic man. However, the night of the full moon unleashes his true nature: a feared werewolf. The village, steeped in superstition and fear, begins to suffer brutal attacks, pushing the community to the brink of panic. Fascination and horror intertwine as the first victims fall, prompting the villagers to search for the monster lurking among them.
While a local doctor tries to understand what is happening, tensions rise, and the townspeople unleash their dreaded instincts. No one is safe, and the hunt for the werewolf will change the lives of many, confronting each of them with the dark reality of their own nature. With a grim atmosphere and a tragic backdrop, the story explores the boundaries between humanity and bestiality, leaving viewers with disturbing questions about the true monstrosity of the human condition.