Overview
The Blue Room is a 2002 Mexican-Spanish film produced by Argos Cine and directed by Walter Doehner.
Plot
Toño (Juan Manuel Bernal) is being held for questioning by police agent Garduño (Damián Alcázar), a murder has been committed and Garduño is determined to get to the bottom of this; Toño starts then telling his story: A few weeks before, he and his wife, Ana (Elena Anaya) and their daughter, decided to come back to settle down in Toño's hometown, after living for a long time in Mexico City. But things get complicated when Toño re-encounters Andrea (Patricia Llaca), a woman for whom he had lusted since adolescence and who's now married to Nicolás (Mario Iván Martínez), Toño's best friend from high school.
Soon, the unfulfilled and repressed desires of both Toño and Andrea are passionately released with their sexual encounter. Hiding from Toño's wife and Andrea's husband, they are helped by Toño's brother (José María Yazpik), who runs a hotel in the town, and whose blue room is lent to the lovers (hence the name of the film, "The Blue Room"). Despite these precautions, many people in the town figure out the affair between Toño and Andrea, Toño then starts considering ending his affair.
Meanwhile, Nicolás' health is rapidly declining until one night he dies, and many people, including Nicolás' mother Dora (Margarita Sanz), are convinced that Andrea caused his death in order for her to be free to be with Toño. Garduño shows Toño a letter from Andrea to him with the message "Now it's your turn" to further incriminate them, Toño denies any culpability and continues his story.
From Wikipedia (CC BY-SA 4.0).