Vienna/Florence - 1908. Henry Jones Sr. takes his wife, son and the boy's tutor to the world's first psychoanalytical conference in Vienna, Austria in November 1908. Young Indy meets Princess Sophie of Austria, daughter of Archduke Franz Ferdinand and develops deep feelings for her. He even asks Sigmund Freud, Carl Jung and Alfred Adler for love advice. On their next stop in Florence, Anna Jones becomes the object of affection for the persuasive opera composer Giacomo Puccini. With her husband away in Rome, Anna is torn between her feelings for her husband and the impulsive Italian.

Monaco/Italy - 1917. Not only does Indy compete against dashing young writer and adventurer Ernest Hemingway for the girl of his dreams, he then joins the French Foreign Legion to find that his troubles are just beginning.