The Anniversary Party

The Anniversary Party is a 2001 American comedydrama film written, directed, produced by, and starring Jennifer Jason Leigh and Alan Cumming.

Among them are aging actor Cal Gold, Sallys costar in the romantic comedy film she presently is shooting, his wife Sophia, and their two young children director Mac Forsyth, who is helming Sally and Cals film, and his anorexic, neurotic wife Clair photographer Gina Taylor, whose relationship with Joe prior to his marriage and ongoing close friendship since troubles Sally business manager Jerry Adams and his wife Judy eccentric violinist Levi Panes Jeffrey, Joes roommate and lover at Oxford and upandcoming actress Skye Davidson, whom Joe has cast in the role Sally believes deservedly is hers. In an effort to dispel the simmering animosity between them and their neighbors, Sally and Joe have invited the Roses as well.The early part of the evening is devoted to charades and lighthearted entertainment. Following a series of toasts offered by the guests, Joe distributes the ecstasy Skye brought them as a gift. As it begins to take effect, the night deteriorates, accusations are made, secrets are revealed, and relationships slowly unravel. Complicating emotions triggered by the drug are the disappearance of Otis and a phone call from Joes father bringing tragic news about his beloved sister Lucy. ........

Source: Wikipedia