Lustenau is an Austrian town. in 1917, Indiana Jones and princes Sixtus and Xavier of Bourbon-Parma attempted to leave Austria by train with a letter crucial to the war effort and Lustenau was the final stop before the Swiss border. However, at Lustenau members of the Austrian secret police led by The Prussian boarded the train, forcing the three to come up with a plan to evade capture and escape the country.