The House of Yes

The House of Yes is a movie starring Parker Posey, Josh Hamilton, and Tori Spelling. A mentally unbalanced young woman - who is convinced she is Jackie Kennedy - flies into a murderous rage when her brother returns home to reveal he...
Jackie-O is anxiously awaiting the visit of her brother home for Thanksgiving, but isn't expecting him to bring a friend — and she's even more shocked to learn that this friend is his fiance. It soon becomes clear that her obsession with Jackie Kennedy is nothing compared to her obsession with her brother, and she isn't the only member of the family with problems.