Indy (as Corporal Henri Defense) and Remy have enlisted and are attached to a Belgian company fighting in the trenches of World War I. After their unit suffers catastrophic losses, all of the officers are dead and, even though only a corporal, Indy is the highest ranking soldier left in the unit. Their unit is assigned an interim French commander, Captain Moreau, and are ordered to take a hilltop Chateau, which they do with only 13 men left alive. The Germans counterattack and the hill is lost, Indy is captured, and Remy's whereabouts are left unknown.

Indy is sent to a prison camp after being captured by the German army. That same day, he joins a band of inmates in a prison break. The escape attempt fails and he is recaptured and transfered to a maximum security prison in a German castle. There he meets Charles De Gaulle, who has also been captured several times trying to escape. The two plot another prison break after which Indy escapes and De Gaulle is recaptured.

Indiana Jones (as Corporal Henri Defense) is working as a motorcycle courier for the French army. He has numerous close calls delivering orders to officers on the front line. When General Joseph Joffre gives Indy orders to send men to certain death Indy makes a courageous decision.

Indy and Remy are lucky to receive two weeks leave from the trenches because of string-pulling by noteworthy friends of Indy's father. They both are excited to head off to Paris. There Indy meets dancer Mata Hari and has a romance with her. He is arrested and questioned by French police as Mata Hari is suspected of being a spy.

Indy (as Lieutenant Henri Defense) leads his Askari African soldiers to victory in an attack on an enemy stronghold and is promoted to Captain. His unit is sent across the Congo on an important mission but most die of disease and exhaustion.

Indy (as Lieutenant Henri Defense) leads his Askari African soldiers to victory in an attack on an enemy stronghold and is promoted to Captain. His unit is sent across the Congo on an important mission but most die of disease and exhaustion.

Indy and Remy meet Albert Schweitzer and his wife. Indy learns valuable lessons on the sanctity of life.

Indy becomes an aerial photographer but is captured by the Red Baron. He then is sent into Germany on a spy mission to try and convince Anthony Fokker to defect to the French side of the war.

Indy is sent on an espionage mission to try and convince the new Austro-Hungarian Emperor Karl to leave the war.

Indy is working in intelligence in St Petersburg during the growing political unrest there. He attends a speech by Vladimir Lenin and sees his friends cutdown during a protest by government troops.

Indy joins up with an international trio of spies plotting against their German counterparts in the neutral city of Barcelona. After his old acquaintance Pablo Picasso helps him get a job at the Ballets Russes, Indy devises a plan to forge a love letter written by the German cultural attaché to make it seem the man was having an affair with the Countess of Toledo.

Indy is on assignment in Prague, meets Franz Kafka and becomes entangled in a maddening web of bureaucracy.

In this second part set in Palestine (see episode no. 31) Indy aids the attack on the German-held town of Beersheba by the soldiers of the Australian Light Horse Regiment.