Archaeologists study the mysterious pyramids that followed the Giza pyramids. They unearth new tombs and chambers to uncover their beguiling story. Among the gems in this episode is an excavation of the long-lost tomb of pharaoh Sahure at Abusir — Egypt's only pyramid tomb yet to be explored.

Archaeologists investigate Egypt's most famous female pharaoh, Cleopatra and how she exploited religion to achieve her goals. Teams excavate ancient graves and search hidden tunnels for her lost tomb.