Ma mère (2004)

Swapping France for the Canary Islands, Pierre finds his parents at odds. Dad, haunted, whispers of lost years before vanishing. Mom, with a shocking proposition, offers a nightclub charade as lovers. Prayer offers little solace as his father dies. Back in France, Pierre inherits a seemingly ordinary office, overflowing with porn. So his mom takes him into a world of exploitation of sexuality, without morals, leaving one question: who her mother is?