Tony Hollister contacts Saber asking him to have a rare bottle of brandy tested for poison. It was sent to him by his cousin Angela, who is desperate for cash. However the bottle was stolen again and the man who is stole it dies.

Tommy Wilson is set up by girlfriend Jean Tracy and Vince Gibbons to take the fall for the murder of Gibbons photographer brother Paul. Mark Saber is asked to help and starts to believe Wilson's not telling truth about Jean Tracy.

While waiting for his train to arrive, crime fan the Bishop of Tricester over hears a hit being planned and decides to follow the man. His secretary Prinn desperately rings up Mark Saber for help but arrives too late to stop the murder.

A difficult case of blackmail appears closed to Mark Saber when a victim is found drowned in her swimming pool. The evidence points to murder.

Mark Saber is on a fishing holiday when chamber maid Rosie Temple begs for his help. Her son Dan has been arrested for the murder of Norma Farrington. Farrington's is the town's biggest employer and she fears he won't get a fair trial.

Mark Saber is shocked by the apparent suicide of his friend, Peter Kenyon who was found at the bottom of a cliff. Saber is even more surprised when Kenyon's secretary Miss Barnes comes to see him, claiming he was murdered.

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.

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.

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.

Gwen Lawrence turns up for a job as secretary, with Mark Saber. She changes her mind but has stolen the Dirk Ewing folder. Now going under the name of Richard Osbourne he is murdered attempting to give himself up.

Writer Tony Latham's wife Nancy is murdered and the police haven't arrested janitor Anton Turek. He wants Mark Saber to help but author Oliver Moon demands he returns to work. Latham writes the books but Moon takes the credit.

A crowded train leads to Albert Bishop picking up the wrong suitcase. Opening it up he finds a blood stained knife. He contacts Mark Saber when he hears that jeweler Brian Miller's mutilated body has been found by train tracks.