A Native American born US Army officer, Captain Apache, investigating a murder, uncovers a presidential assassination plot.
In 1942 a commando (Jason) is assigned to protect Winston Churchill when it is learned that the Nazis are plotting to kidnap him.
Just after the Civil War, Captain Thorn, is sent west to help protect the new telegraph line that is under construction. Leeds is out to establish an independent nation in the west, and tries to stop its construction, and also incoming wagon trains, by inciting the Indians to attack both of them.
Mickey Lofton, young half-brother of famed war-aviator Jerry, fails in his attempt to enter the Canadian Air Corps, because of his fear of thunderstorms developed by an incident in his boyhood days.