While Spec's father is ill, he takes over as conductor on the miniature railroad.

Although several others are ahead of him in the line of succession, Richard of Gloucester is determined to gain the throne. Through deceit, manipulation, and murder, he does become King Richard III of England. But once he becomes king, he soon finds out that the many enemies he has made will make it very difficult for him to remain on the throne for long.

Sailors and spies mingle in between the acts at Hattie's nightclub in the Canal Zone.