Mr Rycroft decides that only by re-enacting the séance which announced the murder of Captain Trevelyan, will the identity of his killer finally be revealed.
Agatha Christie's whodunit stars Melinda Walker as Emily Trefusis, Stephen Tompkinson as Charles Enderby, Geoffrey Whitehead as Inspector Narracott, Norman Bird as Major Burnaby, Jack May as Ellwood, David Goudge as Martin Dering, John Moffatt as Mr Rycroft and Susan Westerby as Mrs Willett.
From the book first published in 1931.
Dramatised and directed by Michael Bakewell.
First broadcast on BBC Radio 4 in 1990.