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Antonia Lynch-Gibbon (Lee Remick), wife of upper-crust wine dealer Martin (Ian Holm), falls in love with her husband's best friend, noted psychiatrist Palmer Anderson (Richard Attenborough). While both Palmer and Antonia would like to remain in Martin's life, he has some secrets of his own -- namely, a mistress called Georgie (Jennie Linden), whom his womanizing brother (Clive Revill) also desires. All the while, Palmer's sister (Claire Bloom) seems to know everyone's business. Wikipedia