British sleuth Patrick Dawlish discovers that he has a criminal doppelganger in this puzzling thriller from the Edgar Award–winning author.

Ever since Patrick Dawlish and his wife Felicity rented out their place in Surrey and returned to London, they have become partners in their friends' businesses. Dawlish is now in charge of a curio and antique business in the West End, while Felicity is managing a photographic studio next to their flat. Life has been happy and strangely uneventful. Until now . . .

A beautiful Spanish woman is claiming that Dawlish is her husband. The woman's brother is claiming that Dawlish sold a fortune in jewels for them. Scotland Yard is claiming that Dawlish has received stolen emeralds—and arrests him. Now it's up to the beleaguered sleuth to prove he's not a bigamist or a thief, and to catch the man impersonating him before the peaceful life he's built comes crashing down around him . . .