Ep 22. A House Divided

In "A House Divided," the twenty-second episode of season three of Person of Interest, the team receives their toughest assignment yet: prevent a full-scale war between two powerful crime syndicates vying for control of New York's underworld. In order to carry out this mission, Reese and Shaw go undercover with one of the gangs, while Finch and Root infiltrate the other, each risking their lives to gather the information necessary to bring the conflict to an end.

As the team works to prevent the escalation of violence, tensions rise within the gang Reese and Shaw are posing as, creating a dangerous situation for them both. Meanwhile, Finch and Root struggle to maintain their cover as they discover a deeper conspiracy at play.

The episode is filled with intense action sequences as well as emotional moments for the characters, particularly in the relationships between Reese and Shaw, as well as between Finch and Root. Ultimately, the team is faced with a difficult decision that will impact the future of the city and their own personal lives.

"A House Divided" is a thrilling episode that showcases the strengths of each member of the team as they work together to take down a dangerous threat. With its high stakes and intense set pieces, this episode serves as a prime example of what makes Person of Interest such a compelling and addictive series.