A young schizophrenic who felt threatened by a presence he was unable to define turns up gruesomely dead in his bathtub.

After the death of the blind Sara, who hanged herself in the basement of her house, her twin sister Julia suspects that she was actually murdered. Julia has a degenerative problem with her eyes and is losing her sight, and she temporarily moves with her husband Isaac to Sara's house to arrange her funeral. Julia goes to the Centro Baumann for the blind, which Sara frequented, and she learns from other members that Sara had a boyfriend. Julia is chased by a mysterious man, but police inspector Dimas does not believe her. Julia follows Sara's last steps trying to find the identity of her secret lover. Julia is surrounded by deaths and weird events while she loses her sight.

In the early 60s, two boys - Ignacio and Enrique - discover love, movies and fear in a Christian school. Father Manolo, the school principal and Literature teacher, both witnesses and takes part in these discoveries. The three characters come against one another twice again, in the late 70s and in 1980. These meetings are set to change the life and death of some of them.

A burned-out bodyguard is hired to protect the man he hates the most: an international assassin who destroyed his career and ruined his life. Forced to put his personal feelings on hold, the bodyguard must use all his skills and years of experience to keep the assassin alive in the face of constant danger.