The Rivals of Sherlock Holmes

The police appear to be on the wrong track when investigating a murder on the London Underground, and a young reporter puts her own safety on the line to unmask the murderer.

Tensions rise in a mining village as the hunt continues for the stolen DeBeers diamond.

Professor Van Dusen wagers he can escape from the high-security facility in less than a week.

The mysterious Mr. Laxworthy hires two ex-cons for a job in the south of France.

An amateur detective begins by investigating a counterfeiting ring and ends up pursuing a swindling scheme.

A countess from St. Petersburg flees to the Danish capital, claiming her brother-in-law is trying to kill her.

A Professor must find out why a young woman had a perfectly healthy finger cut off by an eminent surgeon.

A recently married Habsburg countess hires a detective Dagobert to find out who has been sending her obscene letters.

Coming to the aid of a man kicked by a police horse, Dr Thorndyke stumbles upon a plot to assassinate a Russian Duke.

William Drew of the Foreign Office goes undercover to find his own type of prey at a Hunting Party.

Detective Mr Horrock investigates the disappearance of a gold bullion on the RMS Oceanic.

Who murdered Mrs. Arryford? The answer is obvious to Det. Sgt. Grubber, but not to Hagar the gypsy. To her, feelings are more reliable than facts and it takes all of her gypsy intuition to arrive at the right solution.

A junior barrister searches for two London barristers who disappear during a murder trial.