Archaeologists hunt for the lost tomb of Cleopatra. One team dives the sunken city of Alexandria, and an explorer unearths a secret underground tunnel. A team takes mummies to the hospital to scan for hidden treasure. An archaeologist discovers a secret tunnel network at a forgotten temple. 

Archaeologists investigate the powerful reign of one of the greatest female pharaohs in history - Hatshepsut; a discovery inside one of Hatshepsut's quarries sparks an investigation which leads to the temple of Karnak; an archaeologist excavates mummy parts.