Tomás, a musician of international prestige, comes back to Spain after an absence of several years. He contacts Alberto, an ex-classmate at the conservatory, proposing that they collaborate on a musical project, but really intending to use Alberto to track down Damián, a mutual friend who disappeared under mysterious circumstances after Tomás left Spain.

Tomás' investigation leads him to recall his own past, in which his mother Elena and friend Damián played such a decisive role. After a confrontation with Alberto, the path of his investigation leads Tomás to find Damián in place and circumstances never dreamt of.