Dr. Vandermeer laughed. First to himself because he was a true capitalist. Then out loud because he simply wanted to.

Threatening notes are sent to a brilliant inventor, apparently from a former rival for the affections of a young lady.

Confined to a room in an exclusive club during an important dinner, Father Brown notices some unusual sounding footsteps.

An apparently impossible scenario involving the diappearance of three people from and the appearance of a totally unknown - dead - fourth on a moving train.

“It’s all right for you; you’re not meeting a brother you didn’t know you had. And I’ll tell you this - I’ve got a bad feeling about him already.

Ed runs an errand for Mr. Rollo.

A young Lady employs Holmes to negotiate with London's most notorious blackmailer.

A job advert with a bizarre set of requirements leads a young entomologist off on a mysterious adventure.

The confession of a convicted killer sheds light on the disappearance of a mysterious Frenchman - along with the entire train he was travelling in.

Hot on the trail of master criminal Flambeau, the head of the Paris police arrives in London, where he begins to notice small things out of place.

A decapitated body is found during a dinner party at the house of the Chief of the Paris Police, in the walled garden. Father Brown is a guest ...

Holmes investigates the murder of a popular and apparently happily married Colonel.

Holmes reveals the existence of a single organiser behind half the crime in London - an evil genius named Professor Moriarty - and soon finds himself in mortal danger.

Holmes investigates the case of a fiancee who disappeared on the day of the wedding.