Dr Trevelyan calls on Holmes on behalf of his friend Blessington, after a Russian father and son vanish during a consultation. Blessington knows of no one who wishes him ill, but he is found hanged the next day. Holmes investigates, with advice from Watson.
Elenco:
Jeremy Brett
,
David Burke
,
Edward Hardwicke
,
Rosalie Williams
,
Colin Jeavons
.
