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Plagued with grief over the murder of her daughter, Valerie Somers (Barbara Hershey) suspects that her husband John (Geoffrey Rush) is cheating on her. When Valerie disappears, Detective Leon Zat (Anthony LaPaglia) attempts to solve the mystery of her absence. A complex web of love, sex and deceit emerges -- drawing in four related couples whose various partners are distrustful and suspicious about each other's involvement. Wikipedia