Father Brown

Season 3

Episode 4: The Sign of the Broken Sword

A Major is murdered on an army base by a legendary broken sword; during commemorations of the men killed during the evacuation of Dunkirk. The sword belonged to the regiment's Colonel who used the sword to charge an enemy position with his men. Father Brown has to uncover the secret of two murders; being kept to uphold the honour of the regiment. Loosely based on the 1911 story of the same title.