Episode 1 | The Great Train Robbery

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

Episode 2 | The Passing Bell

A disliked bell ringer is found murdered in the belfry.

Episode 3 | The Whistle in the Dark

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

Episode 4 | The Demise of the Debutante

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

Episode 5 | The Darkest Noon

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

Episode 6 | The Sacrifice of Tantalus

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

Episode 7 | The House of God

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

Episode 8 | The Blood of the Anarchists

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.

Episode 9 | The Skylark Scandal

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.

Episode 10 | The Honourable Thief

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.