L'éternel mari (1993)

David, an overly jealous widower haunts Yvan, the ex-lover of his deceased wife, who is also apparently the true father of the couple's surviving daughter. The behavior of the grieving David, self-destructive and abusive at the same time, has grave consequences for Yvan, his daughter and the band of fellow musicians who work with Yvan.

Unfortunately the movie L'éternel mari is not yet available on HBO Max.