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.

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.

Father Brown is sceptical when a parishioner believes she's being haunted by her sister who went missing years ago. However, when she herself vanishes, he must investigate both disappearances.

When an ex-serviceman drops dead in the street, Father Brown investigates the facility where he was a patient. Could something sinister lie beneath the surface at Danvers Retreat?

Father Brown finds himself immobilised with a broken leg when a member of Kembleford's WI dies in mysterious circumstances. Can he crack the case armed only with a telescope and the gang to help?

Through a series of poison pen letters, a gruesome death on a local farm is blamed on the Kembleford physician. Father Brown must figure out who sent them in order to save his friend from the gallows.