The mysterious disappearance of an old friend sends Father Brown and Sid on a quest to find the mythical Lannington Rosary. However can an old adversary, back from the dead, be trusted to help?

Father Brown becomes embroiled in an audacious art heist masterminded by Flambeau.

Flambeau needs Father Brown's help in stealing the Pope's coronation gift to the Queen of England.

Father Brown suspects an ulterior motive is at play when his old adversary Flambeau is incarcerated for murder.

Following reports of Flambeau's death, Father Brown races to protect a crown that contains a nail from the crucifixion of Christ.

When Lady Felicia's home comes under threat, Father Brown is forced to seek help from an unlikely ally.

Flambeau seeks Father Brown's help to get rid of an unwanted rival.

Father Brown joins forces with Flambeau to search for a lost treasure in a 15th-century castle.

Lady Felicia’s lavish New Year ball is ruined when a VIP is murdered.

Chief Inspector Sullivan pays Father Brown a visit to warn him that Hercule Flambeau is on the run and wanted for a series of brutal murders.

Flambeau is stunned to find his estranged father at St Mary’s, who has a dangerous mission in mind.