On this week's Person of Interest…

Reese travels to the suburbs to protect a former safe cracking thief, Graham Wyler, after his old crew returns from prison.

Reese uses Zoe Morgan to play his wife.

Formerly Lloyd Pruitt, Graham has set up a new life with a wife and daughter, but is forced to help the crew do one last heist.

Reese helps Graham escape, but Graham decides to turn himself in.

Graham's wife lets him stay.

Meanwhile, a flashback shows Finch continue to work on the machine and teaching it to find connections between people as well as significant "outliers."

One of them happens to be Grace, the woman Finch dated, and he introduces himself for the first time.