Indiana Jones and the Great Circle is set in October 1937, between the events of Raiders of the Lost Ark and Indiana Jones and the Last Crusade, in the wake of Indiana Jones leaving Marion Ravenwood a week before their wedding, and sees the archaeologist in pursuit of a mystery that encircles the very Earth itself. Sinister forces are scouring the globe for the secret to an ancient power connected to the Great Circle, and only one person can stop them Indiana Jones.