Working to try to get Austrian troops to surrender in the Alps bordering Austria and Italy, Indy also courts the love of the beautiful Giulietta and strives to best her other suitor.

Indy is sent to Morocco and assigned to the French Foreign Legion. While trying to uncover the identity of a traitor in his own ranks, Indy battles hostile Berber tribesmen and engages in an innocent flirtation with author Edith Wharton.

Posing as a Swedish journalist, Indy tries to convince Turkish general Mustafa Kemal to form a separate piece with the allies instead of the Germans. His mission becomes jeopardized when he learns there is a traitor codenamed 'The Wolf' in his spy network. To complicate matters, Indy himself has fallen for Molly, a young American working at a Turkish orphanage, despite lying to her about his identity.

Indy is sent from Venice to follow after three deceased agents the investigation of General Mateus Targo. Indy travelled to a castle accompanied by Nicholas, Maria, Dr. Heinson and Walters. The interior of the castle was terrifying and Walters was incinerated. When they met Targo, he took them to meet the previous agents who were by then under his control (Maria killed Dr. Heinson revealed to be a German spy before she knew that). Targo was shown to be a reincarnation of Vlad the Impaler and had Nicholas horribly tortured to death. Before Targo could deal with Indy and Maria, they retaliated and performed a vampire exorcism on him.

WWI finally ends and Indy and Remy return to London. They immediately set forth to Egypt to try to find the legendary diamond the Peacock's Eye.

The war has ended but the Treaty of Versailles is being thrashed out. Indy works as a translator during this process.

Indy finally returns to the United States after years of war. He meets his old friend Paul Robeson, and finds a temporary job with rocket engineer Robert Goddard, before deciding to go to the University of Chicago to study Archaeology.

Indy is now at the University of Chicago and working as a waiter part-time in a restaurant. He is taught the basics of jazz by Sidney Bechet and then becomes involved in a murder investigation during the Prohibition.

The 20-year old Indy goes to New York City and works in theatre. He meets George Gershwin and other Tin Pan Alley composers.

On his summer break from college Indy ventures to Hollywood where he works in production on a Erich von Stroheim movie and then as a stunt man in an early John Ford western.