Mrs McCarthy and Lady Felicia are held hostage by a bumbling pair of train robbers.

A disliked bell ringer is found murdered in the belfry.

While investigating his friend's odd behaviour, the Father finds himself at the sale of a mythical occult object.

Three murders occur at a finishing school and Father Brown sends in Bunty to investigate.

When Father Brown and Mallory go missing, it is up to the gang to save them from a man hellbent on revenge.

When Mallory's pursuit of a fugitive ends in disaster, a familiar face returns to hunt the culprit.

Suspicions are aroused when the holiest house in Kembleford is linked to the death of a wanton woman.

A troupe of radical Anarchists come to Kembleford to do a outdoor play in a field at a local farm and start getting murdered off one by one.

A bird watching group cross over land off their map, and the Lord shoots at them. Later, the Lord ends up dead at the locked in hostel the group is staying at.

Lady Felicia's diamond is stolen by a Russian who wanted to buy it, but she refused. Father Brown calls in Hercule Flambeau to steal it back from him. Flambeau also empties out the Russians safe and double crosses them.