Etienne will soon be forty and is on the threshold of becoming his company's CEO. However, he wants to ease his guilty conscience of an injustice that he commited at the beginning of his career and that, indeed, launched it.

Persuaded by a lifelong friend, he visits the man he'd wronged earlier with the aim of making up for his former behavior. However things go awry and the man is killed by Etienne's friend. Etienne than tries to keep his life on track, but it quickly turns into a nightmare. Hassled by his friend and embroiled in the police investigation of the murder, the more Etienne puts up a fight, the more the net tightens round him. At his wit's end, Etienne realizes that only one solution remains open to him...