A brilliant antiquities expert and a cunning art thief team up to catch a ruthless terrorist who funds his attacks through stolen treasure.

As Hardwick helps Danny and Lexi try to outmaneuver the Brotherhood, Danny learns shocking revelations that shatter everything he thought he knew about his past.

As Danny and Lexi finish tracking down the last of Farouk's black market antiquities, they begin to make plans for their future. But their plans are derailed when the Vatican is attacked by terrorists. A person from Danny's past returns, leading them on a new hunt to recover one of the greatest lost treasures of Asia, the Spirit Banner of Genghis Khan.

Realizing they've taken the Khan's bait - and putting the lives of millions in jeopardy - Danny and Lexi come face-to-face with the Khan in one final battle above Hong Kong.