A loyal rail worker is assassinated before he can reveal the identity of the dreaded saboteur known only as "The Wrecker." Train passenger Jim Conway volunteers to investigate the murder. He sets off on a desperate attempt to stop the killer and prevent more innocent lives from being lost.

Jack Donovan was an architect who had a brief stint in the 1930s as a leading man in a half dozen motion pictures. After returning to architecture, he did manage to leave a lasting impact on Hollywood's skyline, as many of the homes and eateries he designed are still standing to this day.

Bonus material includes D.W. Griffith's 1911 silent short, The Lonedale Operator, and a special extended coming attraction preview of John Wayne in The Hurricane Express (1932). - A loyal rail worker is assassinated.