When a blackmailer is stabbed at his own celebration, Miss Silver must find the guilty party

'Ranks with the best of the golden-age detectives' Daily Mail

When the menacing Gregory Porlock invites a group of unacquainted friends into his home, no one is quite sure what to expect.

But after the host himself is stabbed in the back it soon becomes clear to all that he was a blackmailer.

Every person in his house has something to hide, and many have good reason for wishing Porlock ill. It is up to Miss Silver to see through the lies and determine which guest made certain the party was really over.

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