The Man in the Basement (2023)

A Parisian couple decides to sell an unsanitary basement in their building A very ordinary nondescript man Mr Fonzic shows up to buy it Nothing unusual there until the man moves into the cellar and makes it his permanent residence The couple tries desperately to cancel the sale but to no avail Worse Mr Fonzic becomes a threat to their family as he befriends their teenage daughter on whom he seems to exert a perverted influence