Wisteria Lodge - Mr John Scott Eccles wakes to find that his host and all the domestic staff have vanished and, downstairs, the police find grim evidence of voodoo rites.

The Cardboard Box - The morning mail brings Miss Susan Gushing a gruesome surprise. Who would want to send a gentle spinster two severed human ears!

The Red Circle - A local landlady has an eccentric lodger who is causing her grave concern especially after her husband was abducted, obviously mistaken for someone else.

The Bruce Partington Plans - Holmes is asked by his brother, Mycroft, to uncover how top secret plans for the Bruce Partington submarine could have been stolen from the Woolwich Arsenal.