The discovery of the long-lost tomb of Antony & Cleopatra sets off a worldwide chase between a brilliant antiquities expert, a cunning thief and a ruthless terrorist. Danny and Lexi crisscross the world hunting their target, and unexpectedly find themselves at the center of a 2,000 year old battle for the cradle of civilization.
Danny poses as arms dealer Aiden Shaw in order to extract information on the location terrorist Karim Farouk from a middleman who owes Shaw money. Farouk obtains a clue to the location of the sarcophagus of Cleopatra. Lexi bonds with Father Chuck when she seeks his help to decipher encoded information.
A vital clue leads Danny and Lexi to an Austrian castle where the Germans may have hidden Cleopatra's sarcophagus during World War II. Fabi rescues Dr. Castillo's kidnapped assistant. Hardwick reveals information to Fabi and Gwen about others who are searching for Cleopatra.
An unlikely ally reveals to Lexi that an Egyptian official has files which could lead her to Farouk. But in order to get to the information, she must enlist Danny in a dangerous plan while lying to him about the source of her lead. Also, Farouk takes a risk to get back the items he stole from the Pyramids, which he needs in order to fund his operations.
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.
The FBI offers Danny and Lexi information that will help them in their search for Cleopatra, but only if Danny is able to get his incarcerated father, Patrick, to give up the location of paintings that he helped steal 20 years earlier. Also, Farouk deals with a loose end and takes a big step forward in his master plan.
Danny and Lexi seek out a famed Nazi hunter whose research leads them to Montreal, where they suspect that the last of the Nazis who escaped with Cleopatra may still be alive and in hiding. Also, tensions between Gwen and Fabi come to a head.
After nearly capturing Farouk in a sting operation, Danny and Lexi enlist Hardwick to tap into his underworld contacts in hopes of cornering Farouk before he disappears again. Also, Gwen, fed up with Danny and Lexi's tactics, arrests Father Chuck for aiding them.
The trail of Cleopatra's sarcophagus leads Danny and Lexi to the Bermuda Triangle, where a contact of Shaw's offers assistance tracking down a smuggler's plane that vanished years earlier. Gwen attracts unwanted attention when she investigates a suspicious money transfer.
Hardwick helps Danny and Lexi try to outmaneuver the Brotherhood. Danny learns shocking revelations that shatter everything he thought he knew about his past.
Secrets are exposed, fates are sealed, and Danny and Lexi's lives will never be the same after Farouk's master plan is put into action.