A poet dies in a locked room, leaving a suicide note. Father Brown solves the mystery by noticing the note’s wrong shape.

A well-liked man is found dead with three weapons. Father Brown must discover why a happy man met such a violent end.

Father Brown uncovers that Prince Saradine's own pride led to his destruction, and someone deceived him into death.

After a decapitated body is found in a sealed garden, Father Brown proves the murderer is someone who is least expected.

Father Brown exposes Flambeau, disguised as a waiter, proving criminals hide in plain sight by exploiting society’s habit of overlooking servants.

After a murderer kills a man in a watched building, Father Brown discovers the "Invisible Man" was in disguise and went unnoticed.

Father Brown investigates a man's death, his servant's strange behavior, and what appears to be odd rituals.

Officer Valentin follows clues while chasing a thief in London, not knowing Father Brown planted them.

Father Brown investigates to expose a “Priest of Apollo,” after a blind heiress falls to her death.

After Reverend Wilfred’s womanizing brother is found dead, he says it's God’s judgment, but Father Brown uncovers the truth.

Father Brown investigates after diamonds go missing at a Christmas party.