In Indiana Jones and The Great Circle, players will come across a Nazi camp in the Funerary Temple of Khentkawest I that's heavily guarded. However, sneaking into one of the tents and grabbing a note off the desk will start A Thief's Promise mystery. It will set players on an objective to find a missing Nazi soldier who was last seen at the Khentkawest dig site. Although the exact location of the soldier isn't marked on the map, you can follow the directions in this guide to complete the mystery easily.