Some neighborhood thugs, who run a garage/stolen car ring, beat a man to death. A timid shop girl is the only witness. When they figure out that she saw them, the CID must protect her.
After a beautiful blonde is found murdered, her story is unraveled in flashbacks about her relationship to her posh girl's school friends and instructors, her troubled beau, and with a drug pusher seething with contempt.
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.
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 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.
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.
The new husband of Inspector Keen's girlfriend's best friend has the worst luck - his wives keep turning up dead. When it's discovered that he's using aliases, suspicions arise and lead to a CID investigation.
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.
Two criminals make a murderous escape from prison with a carefully executed plan. One is a violent gangster intent on revenge against his wife who helped the police put him away. He uses his son, who idolises him, to carry out his plan.
The Victory Movement is a fascist political party that is contesting the next election and a bomb is exploded outside the flat of the party's leader. A woman is a witness but Gideon has to find her and convince her to talk.