In 1913 young Indiana Jones finds an ancient silver ring that may have belonged to King Arthur, investigates sabotage of a Welsh friend's coal mines, and travels back in time to solve a crisis in the present.
While visiting New York City in 1914, teenaged Indy runs across his old friend Lizzie Ravenall and becomes involved in retrieving a stolen family heirloom for an immigrant Italian labor-organizer.
While investigating some strange incidents at an archaeological dig at Stonehenge in 1913, the young Indiana Jones and his pal Herman encounter a mysterious band of Dark Druids with a connection to German espionage activities.
While serving as a special agent in the Belgian army during World War I, seventeen-year-old Indiana Jones accompanies two Bourbon princes on a dangerous secret mission to Austria to try to end the war.
In 1913 in Russia, Indy befriends a young Georgian princess involved in the Georgian independence movement and is pursued by secret police and agents of an evil religious fanatic.
In France in 1914, young Indiana Jones and his father's assistant Thornton pursue a rare manuscript that may reveal secrets of history involving a medieval king, mysterious gypsies, and a legendary treasure.