en Cuevana 3. Pleasantries are quickly pushed aside when Shirley Sadstone, the ostracized black sheep of a money-obsessed family, shows up to Thanksgiving unannounced and uninvited. As the virtue-signaling "always happy" Sadstones begin carving Shirley up like the proverbial turkey before them, tensions dramatically boil over with deadly and unforeseen consequences - forever reshaping the Sadstone family dynamic.