Family Plot: Season 9, Episode 20
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The team stays in Lucas to investigate the Bromfield Estate, bought by the Pulitzer Prize winning author Louis Bromfield. His daughter, Ann, battled mental illness and was locked away when her father's famous friends came to visit. Lauren Becall and Humphrey Bogart were even married at the estate, though Ann wasn't invited. Later, Louis' wife, Mary, died in the downstairs bedroom. Louis died 4 years later.