Lobster Pot 1994 on netflix

An elderly couple invite their adult children to visit their country chateau. Among the children are Omer, his undemonstrative wife who knows about Omer’s mistress, and Omer’s children. The other son brings his seductive lover, and the daughter, a divorcee, brings her child. Mayhem ensues when their daughter’s ex-husband makes a surprise appearance at the house.