Sebastián (Christian Borromeo), a troubled young man, discovers that he possesses terrifying telepathic and psychokinetic powers that cause bleeding and fatal harm to those who anger him. Returning to his family home after his older brother dies under mysterious circumstances, Sebastián becomes consumed by dark psychological obsessions and disturbing physical manifestations. His strange behavior heightens tensions with his family members—particularly his mother (Helga Liné) and his brother's widow Anna (Alexandra Bastedo)—as his supernatural influence and uncontrolled desires lead to paranoia, violence, and fatal accidents among those in his immediate sphere.