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E1 A Lady is Missing
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E2 Diamond Cut Diamond
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E3 A Coffin for Johnny
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E4 Collector's Item
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E5 Deadline for Murder
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E6 Manhunt
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E7 Death Has Three Faces
Mark Saber receives three photographs from a dying man and with the help of Barney O'Keefe must link the three people in the pictures to the murder.
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E8 Blood in the Sky
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E9 The Captive Brain
When a bookkeeper suddenly disappears, his wife gets Mark Saber to investigate and he discovers that there is more to the crime than meets the eye.
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E10 Death Needs No Cane
A stockbroker asks for Saber's help when a large number of counterfeit £5 notes are discovered and their only lead is murdered. They finally catch a break when Dolly Day is caught spending £300 in counterfeit money in a shop.
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E11 Find a Body
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E12 Frame Up Without Gloves
Mark Saber investigates a crooked fight manager after meeting the wife of a boxer who became a victim in the scheme.
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E13 There's Danger in Beauty
Maxine, co-owner of Henri's Beauty Saloon has been beset with a number accidents that is ruining their reputation. Mark Saber is called in to find out who is sabotaging the salon but soon realises this is a job for Judy.
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E14 The Girl from Rome
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E15 Hear No Evil
Invalid Miriam Boothe is convinced that her relatives are trying to murder her. She believes she has no choice but to telephone Mark Saber for help. Their meeting doesn't go well but when he discovers she is dead he investigates.
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E16 Killer on the Prowl
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E17 Walk Softly for Murder
Miss Emma Krol begs for Mark Saber's help. During World War Two, she worked as an undercover agent with Ernst Lomak, and now he has been murdered. She suspects it's an American who is connected to her boss Mr Hillyer.
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E18 Murder by Design
Lacey, a theatre manager asks Mark Saber to act as a middleman and pay Ritchie Bonsell a £1,000 to leave the country. Bonsell, a former employee, has just served three years in jail for manslaughter. Next day, Lacey is found murdered.
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E19 Murder for Gain
Lawyer Mr Farrell was in charge of Mrs Wright's finances. She had been in hospital for two weeks and he is shocked she died. The police believe this is suicide but Farrell is concerned about her dying after her relatives had visited.
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E20 The Night Has Secrets
A man prone to sudden blackouts visits the apartment of his wife's first husband in a fit of rage after learning she is being blackmailed by the man. While there he blacks out and then awakes to discover the man dead.
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E21 No Reply from Room 17
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E22 The Sally Ankers Story
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E23 Shroud for a Lady
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E24 It's Only Mink
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E25 The Long Wait
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E26 The Big Snatch