Jeff is asked to investigate whether Merston Manor, a house which is impossible to sell, is really haunted after two previous psychics were scared off. He is looking into a jewel theft and sends Marty to the manor instead. Marty initially believes the ghostly sounds to be genuine but they are actually being made by the jewel thieves who are using the house as their den and want to scare off visitors. The gang capture Jeff and Jenny, Jeannie's sister but Marty comes to their rescue by appearing to one of the psychics previously frightened off, who summons help.
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Did You Know?
"Merston Manor" previously appeared as the tennis club in School For Scoundrels (1960) and as The Elizabethan Hotel In Avengers episode Wish You Were Here [12/2/69]. It also appears as Paul Kirstner's house in Episode 7 and as Mrs Howe's house in Episode 14; and as the restaurant used by Strand and companion in Special Branch S4 episode 12, Diversion  See more