Jim Caviezel and Michael Emerson star in this crime thriller about an off-the-grid CIA agent who teams up with a mysterious billionaire to prevent violent crimes in New York.

When they are given the Social Security number of a teenager who was killed two years ago, Reese and Finch begin to question the infallibility of The Machine. Meanwhile, Finch flashes back to The Machine's origin and how it was developed.

When the Machine directs Reese and Finch to a former soldier with shady connections to a crime ring, Reese must infiltrate the gang, taking part in their heist. Meanwhile, Detective Carter's closer than ever to finding out who Reese is.

When the number comes up on a promising young doctor, Megan Tillman, Reese and Finch must unravel the threat while she's on-call and after hours.

The Machine selects a judge who's hard on crime.

Reese finds himself captivated by their latest Person of Interest, a beautiful, shrewd and remarkably resourceful woman adept at problem solving.

The Machine identifies a school teacher who witnessed a mob hit as their next POI. Now, Reese and Finch protect the unfortunate soul who was in the wrong place at the wrong time.

Reese & Finch pit high-tech espionage against a Cold War spy

Detective Carter is selected as the Person of Interest.

As Detective Carter deals with the fallout from her recent encounter with Reese and Finch, the Machine ups the ante for the duo by giving them four Social Security numbers instead of one.

Detective Carter witnesses a POI case firsthand.

It's Decision time: Carter comes face to face with Reese.

Reese helps a desperate man near his breaking point.

Reese protects a teen bent on avenging his brother's murder.

Reese discovers there's more to the story after he infiltrates a smuggling ring to get close to his latest Person of Interest...who may be hiding a secret identity.

Reese poses as an investor to protect a Wall St. trader.

Reese and Finch must protect an infant POI.

The Machine's latest number presents a unique challenge for Reese and Finch since the person has virtually no digital footprint and appears to be leading a double life.

When The Machine spits out five numbers, naming the Don of each of New York's crime families, Reese and Finch suspect Elias is planning to eliminate his competition. As Elias takes aim, someone close to Carter may pay the price.

The Machine's latest number places Reese undercover with an armored truck crew, a case that brings back memories of his last CIA mission and painful decisions he was forced to make.

It's Reese's birthday, and Finch gives him a day off -- especially when he realizes that The Machine's latest number is certain to revive painful memories.

The newest POI's curiosity could spell his doom when he finds himself embroiled in a dark government conspiracy -- one that Finch is all too familiar with. Meanwhile, Reese uncovers something revealing about Finch's past.

The FBI close in on Reese.