Guillermo (Raúl Mérida) is a passionate young college surf casually discovering an old photographic film. In the photographs are enigmatic images and a familiar face, leading Guillermo to embark on a perilous investigation with the help of Daniela, a student from Fine Arts, and his brother, a computer expert. None of them is aware that such research can change their lives forever.

Gran Hermano is a reality television series broadcast in Spain on Telecinco and La Siete produced by Endemol. It is part of the Big Brother franchise first developed in the Netherlands. As of February 2012, 19 editions of the show have aired.