Centers on a presumed dead former-CIA agent, Reese, who teams up with a mysterious billionaire, Finch, to prevent violent crimes by using their own brand of vigilante justice.
Cast: James Caviezel, Michael Emerson
In the series finale, Finch, Reese, Fusco and Shaw try to stop Samaritan from destroying the Machine and strengthening its grip on humankind.
Reese and Shaw chase Finch, who could bring an end to Samaritan, himself and the Machine when he infiltrates a maximum-security government facility.
The team becomes enmeshed in a conspiracy when the U.S. president is tapped as the next POI; and Finch contemplates taking drastic measures to combat Samaritan.
Finch's number comes up when a fatal error blows his cover identity and sets off a deadly series of escalating encounters with Samaritan's operatives.
The criminal mastermind known as "The Voice" traps Reese and Fusco in the precinct with armed gang members and the latest POI. In other events, Root makes a shocking discovery.
Reese and Finch become trapped in a hospital that becomes ground zero for a deadly viral outbreak. Also, Samaritan's newest recruit has second thoughts and Shaw continues to struggle with reality.
Root goes undercover at a radio station to protect the host of a conspiracy theory show who stumbles upon information that could get him killed. Also, Samaritan's agents try to convince a member of the team that their goals are noble.
Reese and Finch head to a wedding to protect two POIs prior to their nuptials; and Fusco, angry about being shut out by the team, investigates a string of missing person reports.
Reese protects an NYPD analyst who's drawn the attention of Samaritan through his investigation of a software glitch; and an ally of Elias threatens Reese and Fusco.
Shaw manages to escape her captors, but the team worries about her mental state when she begins acting paranoid and reckless.
Reese's cover is threatened due to his latest POI, who has ties to his former CIA colleagues.
The Machine experiences a glitch during rebooting, supplying Reese and Fusco with the numbers of dozens of people not actually involved in crimes, while also locking Finch and Root out after identifying them as threats based on past violent behavior.
In the Season 5 premiere, Reese and Finch try to save the Machine's source code before it deteriorates beyond repair; Root fights for her life against Samaritan's agents; and Fusco faces questions following the deaths of Dominic and Elias.