Season 1 - Episode Guide

When an ungodly man is murdered at the unveiling of a new church clock, Father Brown must find the killer before an innocent woman is sent to the gallows.

After Colonel Reginald Adams and his actress wife Anne-Marie have forbidden their young daughter Ruby to marry American communist John Van Ert Anne-Marie is found drowned. Inspector Valentine believed she fell in the lake whilst drunk but Father Brown proves it was murder. Learning that the couple argued, Valentine arrests Reginald just as Anne-Marie's long-lost brother James Trewlove arrives from Nairobi. Anne-Marie's will leaves James nothing, with the chief beneficiary being the church whilst Ruby is bequeathed the Flying Stars,a valuable necklace. During a performance of a play at the Adams' house the necklace is stolen. Father Brown manages to unmask both thief and Anner-Marie's killer.

Poet Leonard Quinton invites Father Brown to the house where he lives with his long suffering wife Martha and young mistress Violet as his spiritual adviser Umesh has told him he will soon die and he wants the priest to look after Martha. Shortly after Violet has threatened him for not leaving Martha for her Leonard is found hanged and Umesh, as his sole heir, is arrested. Martha tells Father Brown that she and Leonard had once had a baby, born disfigured, who died and whom they buried in the garden, the event which she believes drove them apart. Martha's admirer Harris then admits to killing Leonard Quinton - though Father Brown knows better.

When Lady Felicia finds a stripped and injured man stuck up a tree, Sid is implicated as the perpetrator. Can Father Brown prove his innocence, or has Sid gone too far this time?

When the Church of Apollo comes to Kembleford, Susie is drawn to their charismatic leader Kalon. After Kalon's wife is murdered, Father Brown must break his spell over Susie or risk losing her forever.

When two nuns die in mysterious circumstances at St Agnes convent, Father Brown investigates with the aid of Sister Boniface, an eager young fan of detective novels.

Father Brown joins the search when a girl who is believed to be radioactive goes missing overnight. But just who is responsible for her disappearance?

After a murder at the Kembleford charity treasure hunt, general suspicion falls upon a bereaved man who wants revenge. However, Father Brown is determined to prove the man's innocence.

When the mayor drops dead during his speech at the Kembleford village fete, Father Brown deduces that he was deliberately electrocuted. Meanwhile, Mrs McCarthy's past comes back to haunt her.

When his priceless Blue Cross is targeted by the infamous criminal Flambeau, Father Brown takes the initiative to try and save his soul. But is he walking into a trap?