Monsieur chasse

To help his divorced neighbor claim a substantial inheritance, a family man poses as her husband. The ruse spills over into his career in advertising, and his recent promotion relies on his wholesome and moral appearance.

Having fortuitously discovered a photograph in which Marthe embraces someone unknown, Étienne Dorsay becomes jealous and imagines various stratagems to identify the lover. In the meantime, he and his friends acquire a weekend house for a very low price.

When a young couple buys their dream home, they have no idea what the sweet little old lady upstairs is going to put them through!

Nathan Flomm, in order to avoid the humiliation of having missed out on a hugely successful business, assumes a new identity on Martha's Vineyard. He plots revenge when his former business partner moves to the same town.

A quiet, middle-aged man spirals into obsession and paranoia when a charismatic look-alike moves in next door, featuring the exact same face—and a full head of hair.