When Robert Twyman receives a note telling him to "confess" or his son will die and the threat is carried out, Father Brown must figure out how the killer got into and out of a securely locked house.
Episode rating
Cast of episode
65
24
8
3
- Lady Felicia
- Father Brown
- Sid Carter
- Mrs McCarthy
- Robert Twyman
- Mordaunt Jackson
- Rosie Everton
- Calvin Twyman
- Sergeant Goodfellow
- Inspector Mallory
- Lester Wallace
- Villager