Searching Skinner's house and interviewing his old colleague reveals a new lead. Axel and Leland go to Istanbul but have trouble with local thugs.

The team investigates a club owned by a stockbroker who got rich off Hapna. One of his associates is the hacker Dr. 909, who may be helping Skinner.

The team tries to lure Skinner out of hiding with a fake cure staged by the president of Delta Medicinal, but a hacker named Popcorn Wizard butts in.

A secluded commune where Eleina once lived is identified as a potential hiding spot for Skinner. She and Leland infiltrate it to find out for sure.

Coordinates from an AI lead to islands that Skinner bought just before they sunk under rising sea levels. The team visit them hoping to learn more.

Chris is held captive on an arctic oil rig by Russian operatives. The team unites to save her, despite learning Chris was once a Russian spy herself.

An inquiry is held at the Pentagon to determine the future of Lazarus where information emerges that prompts Schneider of INSCOM to hire an assassin.

Skinner's medical history provides a lead but requires entry to a private clinic. Leland takes Axel and Doug to his home to secure them an invite.

Doug and Eleina go to Islamabad seeking the elusive hacker but are pursued by INSCOM. Meanwhile, Axel gets into a chaotic fight with the assassin.

Eleina gets a lead to Skinner from Popcorn Wizard, but with Hersch, Axel, and Doug out of commission, it's up to Chris and Leland to crack the case.

Abel conducts a raid to free Hersch, while Axel sneaks off to face his nemesis. The rest of the team pursues Skinner in a final bid to save humanity.