"Locked in his room guarded by three detectives, this notorious gangster was mysteriously murdered. Who killed him? Was it the gang-busting prosecutor? His devoted young assistant? The nightclub dancer? The distraught wife? The obsessed young detective? The ruthless gang leader? Or was it someone else? Match wits with Ellery Queen, and see if you can guess who done it!"
This episode contains examples of:
- Clear Their Name: Velie and Millay are accused of murder, and the Inspector and Ellery must clear their names.
- Contract on the Hitman: The killer provides the police the location of a hitman who had bungled an earlier attempt on the victim, knowing that the hitman will shoot it out with the police rather than being taken alive. The killer does this because the hitman can identify them as the successful murderer.
- Finger-Licking Poison: The murder method
- The Mafia
