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.

The episode was rated 7.40 from 189 votes.

Danny poses as arms dealer Aiden Shaw in order to extract information on the location of terrorist Karim Farouk from a middleman who owes Shaw money. Also, Farouk obtains a clue to the location of the sarcophagus of Cleopatra, and Lexi bonds with Father Chuck when she seeks his help to decipher encoded information.

The episode was rated 7.40 from 390 votes.

With a trail of new clues, Danny, Lexi and Violet travel across a dangerous chemical wasteland in Kazakhstan to Aralsk-7, an abandoned bio-weapons facility. Meanwhile, Chuck begins his investigation about how the Vatican and the Spirit Banner are connected.

The episode was rated 7.41 from 207 votes.

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

The episode was rated 7.41 from 192 votes.

The pieces of the Khan's end-game fall into place as Danny and Lexi must put their differences aside in order to stop the Khan and Simon before it's too late.

The episode was rated 7.41 from 181 votes.

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.

The episode was rated 7.43 from 539 votes.

The recovered scroll's translation takes Danny, Lexi, Kate and Violet to the snowy tundra of Mongolia, with deadly results.

The episode was rated 7.45 from 195 votes.

In search of the Spirit Banner, Simon attempts to make a deal, unaware that Lexi, Danny and Shaw are on his tail. What they uncover leads them to Hong Kong while Danny becomes increasingly concerned with Violet's control over Lexi.

The episode was rated 7.45 from 224 votes.

After crash-landing in the jungles of Laos, Lexi is gravely injured, leaving Danny and Patrick in a rush to find refuge. Meanwhile, Chuck uncovers new information on the relationship between the Vatican and the CIA.

The episode was rated 7.46 from 194 votes.

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.

The episode was rated 7.47 from 165 votes.