After realising he has died at the scene of a car crash, Nathan descends into the depths of hell, where he is doomed to experience the pain of tortured souls along the way.

Lucas and Mathias, 8-year-old sons of lumberjacks in the Vosges forest, are the best of friends. One day, while driving his car, Lucas' father fatally collides with Mathias, who is cycling down the mountain. Sitting in the back of the car, Lucas watches helplessly as his father throws his friend's lifeless body into the ravine. One look is all it takes for him to realize that h...