Le margouillat (2000)

The ambitious Alex is trapped by his father-in-law who fears that he will take his place in the multinational company of which he is the CEO. The latter has a photo montage made that accuses his troublesome son-in-law of adultery. This ploy leads Alex and his wife into a heated argument which, unfortunately, leads to an accident in which the wife is killed. Alex is then accused of his wife's murder. But in this descent into hell, he finds the strength to react.