Danny and Lexi follow a clue to the mountains of Spain in search of a lost train car that may have been carrying the sarcophagus of Cleopatra when it disappeared. Also, Lexi crosses paths with antiquities dealer Simon Hardwick, who offers her new information on the Brotherhood of Serapis.

Danny and Lexi must improvise in order to stay alive and out of jail when they’re stuck in Casablanca with both law enforcement and their enemies hot on their trail. Also, Hardwick’s personal investigation into the Brotherhood of Serapis lands him in a dangerous situation.