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.
Quest roles:
Alex Price(Sid Carter), Stella Gonet(Lady Margaret Galloway), Stephen Boxer(Professor Patrick Galloway), Flora Spencer-Longhurst(Lucia Galloway), Mark Dexter(Captain Clarence Clifton), Jack Baggs(Thomas Dillcot), Peter McNeil O'Connor(Daniel Walsh)