The elderly Mrs. Yarmouth is tricked into handing over church funds by a plausible confidence trickster and his wife.
Steed drives a train, Emma is tied to the tracks.
A wealthy man uses extortion and a trained attack dog to force Peter to kill his partner and make it look like a heart attack.
The outlaws of Sherwood are desperately in need of money, and Marion hatches a scheme involving her bird-watching uncle, an archery tournament and a letter of safe conduct signed by the sheriff.