After many years in prison, a changed robber comes home to see his sons again, one of them brain-damaged. Due to many misfortunate events and terrible tragic misunderstandings, they go on the run, leaving a bloody trail wherever they go.

While excavating near the Pyramids, Dr. Leonhardt finds a small box with a map to the treasures of the Pharaoh Ramessess II. On his way to deliver this to the local authorities, he is kidnapped by his nemesis Dr. Bent. Before Bent can retrieve the papyrus map, Karen, who is Leonhardt's student assistant, and John, Leon…