Efforts to find the location of Pi-Ramesse, an eight square-mile settlement built by the 19th Dynasty of Egypt Pharaoh Ramesses II in the northernmost region of Egypt. Its location and the reasons it disappeared have long been a mystery, and an apparent `find' in the 1940s turned out to be bogus. As this documentary reveals, a team of archaeologists and experts have now uncovered new evidence that pinpoints exactly where the city once stood, revealed its vast size and pieced together the extraordinary story of why it disappeared.