Quiet lanes and country houses hold daunting secrets that only Father Brown, using his intuition and skill, will be able to work out, much to the chagrin of Inspector Sullivan. Joined by his gang of dedicated helpers; the excitable parish secretary Mrs. McCarthy, the glamorous Lady Felicia Montague and her resourceful chauffeur (and mostly former small-time crook) Sid Carter, Father Brown faces some of his most daunting cases yet.