Person of Interest: Scoop on Grace's return in episode 3x21 "Beta" from TVGuide's Natalie Abrams

Here's some scoop on Person of Interest from TVGuide's Natalie Abrams' Mega Buzz column, which was posted on 4/15/14.

Got any Person of Interest spoilers? — Brent
Carrie Preston will return in the April 29 episode as Finch's former flame Grace, but don't expect a romantic reunion. In fact, given the war between Decima and Team Machine, Grace's return is probably the last thing Finch wants.  "Finch created [the Machine] as a black box... to avoid a situation where someone with absolute power could corrupt absolutely," executive producer Jonathan Nolan says. "Samaritan doesn't have any of those checks in place, so Greer and Decima are free to use it to give them as much leverage as possible over their enemies. Harold Finch has precisely one point of leverage — and that's Grace."

Link to the full article:Mega Buzz: The Grey's Finale, a Mentalist Proposal, and a Castle Time Warp - Today's News: Our Take | TVGuide.com