Recovering from his heart attack, Dalziel finds himself at a loose end while Pascoe and his colleagues investigate a murder at a local health clinic, Paxley Hall. An elderly woman, Harriet Vanstone, has been strangled while in one of the clinic's range of alternative bath therapies. Her brother, Sir Christopher Wynne, is also at the clinic, though the two did not get on. ''''Pascoe's investigation focuses on the frightened devout Maggie Hopcraft, the nurse who discovered the body. As local doctor Alison Laurie confirms, it's not the first time that Hopcraft has been associated with a death at the clinic. ''''To Pascoe's horror, a bored Dalziel decides to interfere and checks himself into the clinic 'undercover'. Soon after, Maggie Hopcraft's body is discovered in a river, having apparently committed suicide by jumping off a bridge. ''''However, Pascoe isn't sure it was suicide, and any excuse to discuss Hopcraft is also an excuse to pursue the attractive Dr Laurie.''''Meanwhile, Dalziel suffers the full range of uncomfortable health therapies, including freezing baths and 'Scottish douches'. ''''Another body is found - in the swimming pool at Paxley Hall. It is Sir Christopher... ''''Dalziel is able to prove that his death was caused by another inmate, Bernie Marks, who's now dying as a result of taking part in chemical warfare research experiments in the 1950s. Sir Christopher had been the overseer. ''''He also stumbles on the truth behind the other deaths - a conspiracy between the clinic's treasurer Graham Shah and Dr Laurie to defraud the clinic of patients' legacies. They blackmailed Maggie Hopcraft, who two years earlier committed a mercy murder on a patient dying of cancer. Maggie killed Harriet Vanstone, but was later murdered by Shah. ''''Shah's arrested, but Dalziel faces a race against time to get to Dr Laurie, who's at Pascoe's flat, following a romantic date with the detective. Dalziel arrives just in time, before Pascoe and the criminal have chance to sleep together. ''moreless
Dalziel: (On going 'undercover' to Paxley Hall) I've always fancied a health farm. Fluffy dressing gowns, a sturdy massage off Erica from Stockholm or somewhere. Well it beats staying at home, done it.
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Pascoe: What was I for? Dr Laurie: Oh come on Peter. Even you might have wondered about me being around to certify two suspicious deaths at Paxley Hall, once you got Maggie's confession and checked out Langton's death. I got in first. Pascoe: Even me. Dr Laurie: I enjoyed the restaurant honestly, great food. Dalziel: Professional anxiety over the pan fried tuna. (To Pascoe) I hope you didn't claim for that.
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Dr Laurie: It was his idea. Dalziel: Funny that, he says it was yours.
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Detective Inspector Pascoe and Doctor Allison Laurie play a game where they each have to name a film associated with their professions. Dr Laurie mentions - Dr Strangelove and Dr Zhivago. Pascoe mentions - Inspector Closeau, An Inspector Calls (the 1954 film version) and he also alludes to the film The Postman always rings twice by substituting 'postman' for 'Inspector.'
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'Mens sana' or 'sane mind' is part of a latin phrase "orandum est ut sit mens sana in corpore sano," which means "You have to pray for a sane mind in a healthy body" or "It is desirable that there is a sane mind in a healthy body."
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There is a reference to the book 'Who's Who 2001', which is used by Bernie and then later Dalziel.
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