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Private investigator Derian McCall (Rebecca De Mornay) is hired by Anthea Farrow-Smith (Dana Delany) to shadow her husband, Michael (Kiefer Sutherland), who Anthea suspects is having an affair. The unusual assignment turns downright dangerous when McCall begins her own liaison with the wealthy and seductive Michael. As the illicit relationship progresses, McCall is forced to wonder at Anthea's mysterious and potentially malicious motivations, and to fear for her own safety. Wikipedia