When Reese and Finch discover that their latest POI has connections to Cold War Soviet espionage circles, they quickly learn how covert ops were handled in a world before The Machine.

Reese discovers there’s more to the story after he infiltrates a smuggling ring to get close to his latest POI.

Reese goes undercover as an armored car company employee, and faces memories from his past with the CIA.

Finch gives Reese his birthday off so that his partner doesn't have to face a Number that is tied to Reese's past.

With Finch back in the Library, Reese returns to field work, only to face his toughest case yet – protecting the privileged daughter of a Brazilian diplomat.

Carter tries to help Reese by engaging in mental warfare with the FBI; Reese has encounters with old and new enemies; Detective Fusco must protect supermodel Karolina Kurkova, the latest person of interest.

Reese is abducted by a former acquaintance planning a massive and potentially deadly act of cyber-warfare.

The secrets of Finch’s operation before he enlisted Reese are revealed, including shocking ties to present-day events.

Reese’s cover could be blown when he realizes the latest POI has ties to his old CIA colleague, Kara Stanton.