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This lighthearted Agatha Christie whodunit concerns a group of friends who spend the weekend at The Chimney's, a gorgeous old palatial estate,. When one individual fails to awaken the morning after the guests arrive, and another mysterious death follows, Lady Eileen 'Bundle' Brent (Cheryl Campbell) and Jimmy Thesiger (James Warwick) put their heads together to find the murderer. The crimes involve stolen government information and a secret society called 'The Seven Dials.' Made for Granada Television in Great Britain.