Two people with ties to rich murdered socialite Lowe Hammle die from unusual suicides—but Vance suspects foul play.
Philo Vance
Zalia Graem
Nurse Gladys Beeton
Floyd Garden
Sergeant Ernest Heath
Edgar Lowe Hammle
Major Fenwicke-Ralston
Woode Swift
District Attorney Markham
Mrs. Madge Fenwicke-Ralston
