Based on the novel by Federico Reyes Heroles, the film is a melodrama directed by Mauricio Walerstein that explores the complexities of sexual fidelity and open relationships within a "perfect" marriage. The Movie Database Release Date: March 21, 2014 (Mexico) 104–108 minutes Drama / Romance Key Cast and Characters Mariana Seoane as Mariana: A successful architect. Plutarco Haza as Julián: A war photographer and Mariana's husband. Humberto Zurita
as Javier: The man who becomes the catalyst for the couple's crisis. Mónica Dionne as Claudia. Plot Summary Based on the novel by Federico Reyes Heroles,
Fidelidad al Límite tells the story of Elena and Simón, a married couple of documentary filmmakers who test each other’s loyalty by planting a hidden camera in their own apartment. The "game" spirals when Elena discovers the camera is not theirs—someone else is watching. The film’s theatrical cut (63 min) ends ambiguously: a knock on the door, Elena’s scream, black screen. Humberto Zurita as Javier: The man who becomes
Mariana and Julián are a successful, happily married couple with two children who appear to have everything. Their relationship takes a complex turn when they decide to experiment with an open marriage The "game" spirals when Elena discovers the camera