The FBI close in on Reese, who is trying to protect a psychologist from one of her patients. Meanwhile, Finch receives a visit from an old friend.
Finch finds a lot of in common with their newest Number, who has run afoul of the government. Meanwhile, Reese learns about Finch's past.
Finch gives Reese his birthday off so that his partner doesn't have to face a Number reminiscent of a case from Reese's past.
Reese goes undercover as an armored car company employee, and faces memories from his past with the CIA.
Reese and Finch learn that their new Numbers are the five Dons of New York City, and figure that Elias is making his move for complete control of organized crime.
Reese and Finch discover that their newest Number has almost no digital footprint... and a double life.
Reese and Finch become day-care providers when the Machine gives them the number of a six-month-old baby. Meanwhile, Carter begins to question her alliance with the two men when Elias shows up.
The new Person of Interest is a young trader who has become involved in a multi-million dollar financial scam, and Reese has to pose as a wealthy investor to watch their client.
Reese infiltrates a smuggling ring so that he can protect his newest Person of Interest.
While Reese and Finch look after their newest Person of Interest, a teenager whose brother was recently murdered, Finch worries that his dead partner's son Will is getting too close to learning the truth about the Machine.
The Machine gives Reese and Finch the number of a down-and-out man who has been pushed too far, and they're forced to turn to former Person of Interest Zoe Morgan for help.
When Carter meets with Reese for the first time, he asks her to help him with their newest Number: a young lawyer from the wrong side of the tracks whose life is threatened.
While Carter closes in on Reese and Finch and the CIA close in on her, the two men investigate a suspicious building super whose number has come up.
Reese and Finch go into overtime when the Machine gives them the numbers of four Persons of Interest. Meanwhile, Carter deals with the aftermath of the recent assassination attempt on her, and Reese's past resurfaces.
Reese, Finch, and Fusco must protect Detective Carter without giving away their true identities, when the Machine gives them her name as the next Person of Interest.
Reese and Finch must hunt down their newest Person of Interest, a man with Cold War espionage who disappeared over two decades ago and has returned to the U.S. for some unfinished business.
Reese and Finch help a schoolteacher targeted by the mob after he witnesses a hit.
Reese works as a driver for the newest Person of Interest: an attractive woman who is a master of shady deals. Meanwhile, Carter investigates a murder connected to the stolen evidence box for the M. Elias case.
Reese and Finch must protect Judge Samuel Gates, who wants nothing to do with their extralegal activities even though his refusal could cost him his life.
When the Machine turns up a deceased individual as a Number, Finch must remember how he came to create the Machine and determine how the apparent error could have occurred.
A mysterious millionaire, Finch, approaches John Reese, a CIA field officer who is believed dead, and offers him the chance to stop violent crimes before they happen. Finch can predict the person involved, but not how or where they are involved. In his first assignment, Reese must help a district attorney who Finch has predicted will be involved in a violent crime.moreless