Alex Medina (Pedro Jaén R.) has gone to an ophthalmologist, Dr. Velasco (German Torres), who diagnosed him an impending blindness. However, Dr. offers a risky attempt at a luxurious nursing home ownership. Young person accepts and moves to the place, The House of Corneas, where he is received by the helpful nurse Tania (Leire Igartua). After meeting facilities, is locked in his room. In successive days, the relationship between Alex and Tania will be increasingly close and emotional. When Alex is depressed the day before the operation, Tania tries to encourage presented with a sexual threesome with his girlfriend Alexia (Rosanna Walls). But Alex senses that something suspicious and sinister is hiding there.