While Shaw is abducted by Root, Finch and Reese get the number of Timothy Sloan , an estate investigator. Finch goes undercover as Sloan’s assistant while Reese continues investigating Shaw’s whereabouts.

The Machine orders Root on several tasks such as helping a convict escape and using him to impersonate a Department of Defense employee in order to obtain a secret note. Afterward, she and Harold’s team coincidentally reach the same person, a janitor.

After being silent for three days, when the Machine generates numbers of six missing people, Reese, Finch, and Detective Carter realize that they are hunting a serial killer who assumes the identity of his victims.

Shaw helps Root smuggle seven servers into the Samaritan array. Hersh finds a huge bomb, wired to go off when the power comes on.

Person of Interest S02E12, Fusco is assigned to the new number, supermodel Karolina Kurkova. Meanwhile, Carter is asked to interrogate the four suspects in jail. Elias offers to help Reese, but Reese refuses to avoid the attention of the FBI.

Wayne Kruger is the owner of a company known as Lifetrace, which specializes in revealing members’ privacy on their profile pages and selling it to various organizations. Reese, Finch, and Shaw monitor Kruger’s activities in the company, which is currently making a deal with another large retail company called Riverton.

The Machine provides Grace’s number as a result, and Reese, Shaw and Root work to protect her while evading Decima, who use Samaritan to spy on them within the range of New York.