A serial murderess is on the loose, a woman that poses as a housekeeper that preys on OAPs with money. She eludes capture by her penchant for disguises.
A middle-age couple commit a small time crime once a month and live off the swag, but after a threatening visit from Gideon, they plan one last grand heist to retire on.
A man tries to push an accountant off a crowded subway platform. Only his friend takes it seriously and pesters Gideon to look for the would-be killer. Gideon finds three more sudden deaths and the race is on to find a motive.
A group of thieves successfully steal a £1 000 000 shipment of gold from a plane that has just landed from Moscow. It was very well organised and Gideon is in charge of finding the criminals.
A protection-racketing gang of thugs is in a bloody turf war, but their leader sees a way out of the slums and on to the good life by way of his wife seducing a straight-laced bank clerk with access to a fortune in used bills.
A racing car driver accidentally kills his accountant over some missing money. With the help of his mechanic he proceeds to cover up the crime by establishing alibis. Gideon knows that they're guilty but proving it is difficult.
There is corruption in the building industry by the co-owner of the building company. One clerk was murdered and another was bribed. When the other co-owner finds out, more crimes are committed to keep the police from finding out.
Netta's husband, Michael, has a big win on the football pools but then disappears. It appears as though he has run off but he is actually the victim of foul play. The clues come together and the murderer is uncovered.
A young man with a domineering mother snaps after the suicide of his fiancée, and goes about foggy London evenings choking girls and cutting off locks of their hair.
The Balaclava Silver, which is the regimental silver crockery of a proud Scottish regiment, is gradually being stolen and replaced with fake replicas. Gideon is asked to discretely find out who is stealing the silver pieces.
A group of bored and rich young people go from endless pot and booze parties aboard a houseboat to violent crimes in the city. Their creepy leader has an obsessive hate for middle class morality, and calls their misdeeds "giggles".