Paula and Jorge are special police agents investigating the cases of a serial killer of women. The killer's skill at leaving no trace and Jorge's terrible relationship with the other officers in the squad become obstacles in their quest to catch the killer. As the murders increase, Jorge becomes obsessed with the case and confesses to Paula that he dreams about the crimes shortly before they happen.

A demanding and refined literature professor who lives with his secretary in a remote house in Greater Buenos Aires is about to publish an important work, for which he hires an assistant. His seductive secretary begins a romantic relationship with the assistant, which ultimately affects the professor's health. Filled with hatred and envy, he now unleashes the worst of himself on his new employee.