Following their donation of a million dollars to war orphans Green Lantern and Dr. Fate prevent the assassination of President Roosevelt by Ian Karkull's shadow-men. Learning about several other planned assassinations, they contact the other members of the JSA to protect the targets.
Each JSAer successfully defeats their opponent, but Green Lantern fails to protect a young boy from Wotan. Later the Justice Society confront Karkull himself.
The combined power of the Spectre, Green Lantern, and Starman is able to destroy Karkull,however those present, including Lois Lane and Joan Williams are bathed with radiation.
Experiencing side effects from his Miraclo drug, Hourman takes a leave of absence from the team, Green Lantern steps down as chairman and also leaves active duty, claiming fatigue prevented him from saving the boy from Wotan. Finally, Dr. Fate begins to investigate Nabu's possession of him through his helmet.
Unknown to the Justice Society, the assassination targets were all future presidents of the United States.