The search for Kate Reece takes Danny and Lexi to Vietnam, where they reunite with none other than Aiden Shaw. Lexi's fighting skills are put to the test as the team infiltrates the dangerous Black Lotus - an underground fight club - where they learn about a vicious new terrorist.

A visit with Simon in prison yields new information on the Spirit Banner's last whereabouts, sending the team to Russia.

Danny and Lexi join forces with Levchenko's gang as they journey to Mongolia. Levchenko hopes to find the Spirit Banner for himself, even with the Great Khan's horde in hot pursuit.

While their team gets closer to unlocking the location of the Spirit Banner, Danny is forced to pick sides between Lexi and Kate.

Lexi is kidnapped after making a shocking discovery. Shaw uses an underworld contact to help him and Danny discover her location and face off against the Khan's interconnected gang of criminals.