John Wernke

When an unknown entity prevents The Machine from seeing the full picture of an impending catastrophic event, it sends the team five separate numbers to help them piece together the bigger picture. Meanwhile, Root's team of hackers arrives in New York.

When Frank Prady (David Hyde Pierce) decides to go after Governor Florrick as a campaign tactic, Alicia is faced with the decision of whether or not to attack Peter's record as well. Also, when Florrick/Agos/Lockhart take on the case of a man paralyzed by a malfunctioning gun created on a 3D printer, they call on Kurt McVeigh (Gary Cole) to testify as an expert witness, which leads to a rift between Diane and her husband. Michael J. Fox and Denis O'Hare also guest star.

Hank treats Cinco when his sore wrist turns out to be more complicated than a simple sprain. Elsewhere, Evan and Paige help Emma set a trap to catch Oz, the mysterious owner of SnarkHampton.