Person of Interest: Season 3 Episode 21: Beta
Starring: Jim Caviezel, Kevin Chapman, Amy Acker, Michael Emerson, Carrie Preston, John Doman, John Nolan, Matt Walton
Length: 43 Minutes
On Air Date: 29 Apr 2014
Person of Interest: S03E21 Description: Decima hunts down Reese and Shaw using Samaritan’s feeds. Meanwhile, Greer sets a trap for Finch by targeting his former fiancée, Grace.