While under investigation for corruption, Lieutenant Thomas Blin has to go to his mother's funeral in the middle of the night. While trying to avoid a dog on the road, he accidentally hits a man and kills him instantly. Panicked, he decides to hide the body. Believing to be off the hook, he finds himself embarked on a downward spiral, when the investigation of the missing individual is entrusted to one of his colleagues, and a mysterious witness tries to blackmail him...