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s his father Alan celebrates his retirement from the family property firm David Kenworthy is found murdered on a beach several miles away. An immediate suspect is arcade owner Larry Crowe, seen arguing with David and who hates the Kenworthy family since his son fell to his death from their roof over thirty years ago. However he has an alibi. David's girlfriend Nicky accused him of keeping secrets from her, leading Vera to believe David was going to a clandestine meeting with his killer. Then Lorna, his sister, who has been estranged from her father for decades, arrives with her husband for the funeral and, after Alan has died of a heart attack, she admits to Vera the reason for her rift with her father and the true nature of her relationship with David. This in turn leads to the killer and their motive.

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