When a murder occurs on an ocean liner docked in New York City, the investigation leads Boston Blackie to Coney Island and uncovers a dangerous spy ring. Cast: - Chester Morris as Boston Blackie - Rochelle Hudson as Cecelia Bradley - Richard Lane as Inspector Faraday - Charles Wagenheim as The "Runt", Blackie's assistant - Constance Worth as Marilyn Howard - Jack O'Malley as Monk - George Magrill as Georgie - Michael Rand as Mechanical Man Runtime: 60 minutes