Lowry and Borisovich continue their cat and mouse games with each other and with Section 20. As 20 closes in on Lowry and Markov, Lowry initiates a plan to set off a device in an airport. Reynolds emotes about her actions.
As Lowry makes her play to rescue Idrisi from the Col. Parker's black site, Section 20 races to get him first. Jensen stoically recovers from his wounds. Reynolds continues to believe Donovan is hiding something important to the mission.
The team learns about Colonel Donovan's involvement in Project Tenebrae. Waves of PMC soldiers trying to recapture Idrisi have a running, driving, and shooting battle with Section 20. Donovan and Lowry have another face to face encounter.
The Russians are coming. Ives loses Idrisi to Russian agents. Twenty goes after the Atlas of covert British agents that Lowry stole and later hid. Stonebridge and Scott's surprise return aids Section 20 in a bold plan.