London, 1924: When Alfie Barrington is stabbed to death outside his club, suspicion quickly falls on his widow, the lovely Sarah - and on her former beau, Enoch Hale. The American journalist has an alibi, but he doesn't know her name and Scotland Yard can't find her. Determined to solve this case without the help of his friend Sherlock Holmes, Hale launches and investigation that brings him into contact with Leonard and Virginia Woolf, bohemian writers...