La otra alcoba is a 1976 Spanish film written and directed by Eloy de la Iglesia. It stars Patxi Andión, Amparo Muñoz and Simón Andreu. The plot follows the beautiful wife of a prosperous business man who starts an affair with a man of a humble background in order to have the child that she cannot have with her sterile husband.
The film was shot in Madrid and Navacerrada.