While serving in the Belgian army, Young Indy's life is changed when he meets doctor and humanitarian Albert Schweitzer, who shows him the true value of life.
Indy lends a hand to his pals in the Australian Light Horseman Regiment. Their success rests on his shoulders, and the skills of a beautiful undercover spy.
Indy travels to Ireland where he nearly gets mixed up in a revolution. He and Remi then travel to London where Indy falls in love before heading off to war.
When Indiana Jones is shot down by the infamous Red Baron, he discovers a dangerous weapon that could change the course of the war - but can he stop it?