The shrewd, intuitive, and mysterious Harley Quin uncovers evil and criminal acts among the wealthy and aristocratic set in such places as London, Monte Carlo, and Cannes

Coming of Mr Quin -- Shadow on the glass -- At the "Bells and Motley" -- Sign in the sky -- Soul of the croupier -- Man from the sea -- Voice in the dark -- Face of Helen -- Dead harlequin -- Bird with the broken wing -- World's end -- Harlequin's lane