In the small bordertown of Villefranche, lost in the heart of a large forest, crime rate is six times higher than elsewhere in the area. Each new crime Major Laurène Weiss solves with the help of her unusual team makes her sink deeper and deeper into secrets of the area.

Michel, a murderous womanizer, meets introverted Gloria online and treats her to a whirlwind one-night-stand. Offering herself as an accomplice in his seductive crimes, the unhinged lovers embark on a deadly odyssey amplified by wild sex, unbridled jealousy, and passionate forays into the dark arts. This smart and gory shocker breathes new life into the lovesick horror genre to serve up a chilling tale of white-hot desperation and terrifying devotion.