Person of Interest (2011–2016)
4 user 1 critic

Root Path 

The Machine tasks Root to find a janitor who has a mysterious past. However, when her presence endangers him, the Machine sends his number to Finch as well.


Jeffrey Lee Gibson


Jonathan Nolan (created by), David Slack | 3 more credits »




Episode cast overview, first billed only:
Jim Caviezel ... John Reese
Kevin Chapman ... Lionel Fusco
Amy Acker ... Root
Sarah Shahi ... Sameen Shaw
Michael Emerson ... Harold Finch
Yul Vazquez ... Cyrus Wells
Leslie Odom Jr. ... Peter Collier
Colin Donnell ... Billy Parsons
John Nolan ... John Greer
Danielle Di Vecchio Danielle Di Vecchio ... Captain Rosa Divecchio
Peter Rini ... Dr. Stephen Carr
Alex Shimizu ... Daizo
Matthew Stocke Matthew Stocke ... Courier
Steve Lord ... Skinhead
Joe Gately ... Guard


The next number the Machine dispenses to Finch and the team belongs to Cyrus Wells, a custodian. His current blue collar job belies the fact that he has an MBA and was once a multimillionaire. What they also quickly learn is that the person who may figuratively pull the trigger on Cyrus, the target, is Root. Finch learns directly from Root that she has her own Machine-driven mission with Cyrus, her tasks (unlike Finch's) are laid out for her by the Machine immediately before she is to carry them out. All Root knows is that her overall goal is to protect the Machine, most specifically now from a competing Machine, namely Samaritan, which is close to being functional. Finch and Root will have to figure out if their Machine-driven tasks are incompatible, especially as Root has demonstrated in the past that the death of someone like Cyrus is acceptable collateral damage. They both have to figure out who truly is after Cyrus and what his role in getting Samaritan functional is. Root also ... Written by Huggo

Plot Summary | Plot Synopsis


TV-14 | See all certifications »

Did You Know?


Root uses cayenne pepper poured in hot oil to aerosolize the capsaicin (irritant) in the chile, creating instant tear gas. The Chinese used this method to fight off enemies more than two thousand years ago. See more »


When Finch is reading the precautions for the Helium to be delivered to Maxwell Ltd., it refers to the handling of compressed Helium (at room temperature). He tells Reese, and we later see, that there is liquid Helium being delivered. Liquid Helium is at -458°F and requires much more stringent handling procedures. See more »


Root: Do you really want to see what it looks like when two gods go to war?
See more »

Crazy Credits

The title sequence begins in the usual way, with Finch's voiceover, but this time Root suddenly "hijacks" the narration for the rest of the title sequence. See more »

User Reviews

Depth, character, intrigue, humour- perfect

My lord what a show PoI was. Film makers should watch n learn.

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English | Japanese

Release Date:

18 March 2014 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

16:9 HD
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