Shows James' joining of the Quantrill's raiders, a guerrilla force which fought against union sympathizers during the Civil War. James takes allegiance to the Black Flag, the raiders' banner. After the war he recieves kind treatment from a judge concerning his acts of crime and later meets and falls in love with Zee, with whom he wishes to live a peaceful life.

Tarzan and Jane are traveling to Paris to help his old friend Countess de Coude, who is being threatened by her brother, Nikolas Rokoff. Rokoff has Tarzan tossed overboard. He survives, comes ashore in North Africa, and goes to Paris to search for Jane. In Paris, Tarzan reunites with his old friend Paul D'Arnot, who informs him that Jane was taken to Africa. Tarzan returns just in time to save Jane from a lion attack, and soon defeats Rokoff and his henchmen.

Lieutenant Bert Hall, an ace American flyer serving in World War I as a member of the French Lafayette Escadrille, is wounded in an aerial battle and forced to land behind enemy lines. Finding his German opponent dead, Hall exchanges uniforms with him and is taken to a German hospital to recover. There he meets his old Kentucky sweetheart, who was unable to escape Berlin when the war broke out. Accompanied by the Countess of Moravia, who claims sympathy with the Allied cause but is actually a German spy, they escape to France in a German plane. Through the countess' duplicity, Hall is accused of betraying the French government and sentenced to be shot, but his American lover uncovers evidence that saves him at the last moment.