On this week's Person of Interest...

Reese, Shaw and Finch protect Maria Martinez, who worked for a private energy company, and is trying to prove her love isn't a terrorist.

Fighting off French Legionnaires and uncovering politcal corruption, the team is able to uncover the truth and reunite Maria with her love.

Root hunts down Decima. She meets with Greer who reveals that the missing generators from the company Maria worked for are being used for the new Machine. He offers her a chance to join him.