Bruno, a young traffic agent of the Spanish Guardia Civil, is abandoned by his wife after having an affair. Bruno, devastated, discovers one night, by chance, a strange passageway that leads him to another level of reality.
Antonio is the principal of a high school in a downtown immigrant neighborhood. His aim is to avoid the school's closing and the scattering of the students. Along with Antonio's ever-increasing help, Judith the new music teacher, takes on the difficult task of obtaining her student's interest in her subject while helping them become active participants in a common project.