Louise follows Jean, a man whose voyeuristic tendencies drive him to obsessively film his sexual encounters, always with a red light from a distant window in sight. His relationship with Matthieu, a mysterious neighbor who aids in this strange ritual, deepens the web of secrecy. When Louise enters Jean’s life, she begins to uncover the hidden dynamics between the two men. As Jean’s control starts to slip, the story delves into the dark intersections of desire, power, and obsession, blurring the lines between who is watching and who is being watched.