It's 1916, and Indiana Jones is living with his dad in Princeton, New Jersey. Spring break is fast approaching, and all Indy can think of is taking his girlfriend Nancy (daughter of cliffhanger author Edward Stratemeyer) to the prom in a slick new Bugati. The car's foreign engine is impossible to get parts for, but a favor from a professor working at Thomas Edison's laboratory raises his hopes. His plans are sidetracked when a mysterious break-in, the theft of an electric motor, and rumors of German spies result in a mystery that only Indy and Nancy can unravel. Indy and his father then head to the southwest to visit family in Albuquerque. With his mischievous cousin Frank, Indy heads to Columbus, New Mexico to sew some wild oats when the town is suddenly attacked by Pancho Villa and his riders. Playing hero, Indy follows the Villistas into the desert and is soon taken captive. As a 16-year old itching for a good fight, Indy is stirred by Villa's words, and joins his cause, riding with the Villistas as General Pershing chases them throughout the desert. Indy meets and befriends the Belgian expatriate Remy, witnesses the intensity of a young George S. Patton, and also finds a murderer who escaped the law eight years earlier in Cairo in this adventure that sets the teenage Indy on a path that will lead him to war-torn Europe.