A young British widow rents a seaside cottage and soon becomes haunted by the ghost of its former owner.
During the Nazi occupation of Czechoslovakia, surgeon Dr. Franticek Svoboda, a Czech patriot, assassinates the brutal "Hangman of Europe", Reichsprotektor Reinhard Heydrich, and is wounded in the process. In his attempt to escape, he is helped by history professor Stephen Novotny and his daughter Mascha.
Mrs. Elizabeth Bright Murdock hires Marlowe to find an old rare coin, the Brasher Doubloon, that belonged in her deceased husband's collection. Marlowe begins investigating, but quickly finds himself entangled in a series of unexplained murders.
