American writer Tom Ricks travels to Paris to win back the love of his estranged wife and daughter. Instead, he ends up in a shady hotel working as a night guard to make ends meet. When Margit, a beautiful and enigmatic stranger, walks into his life, things start looking up. But their passionate affair coincides with a string of inexplicable events—a murder, a disappearance—and Tom’s anxieties and inner torments slowly begin to derange his sense of what’s real..