John opens his coat to display the stun grenade he's carrying, then gives Root a small smile. At this point, he doesn't care about the rest of the people who are in the warehouse with Brady. He's here for one reason only.

"Making plans was really always more Finch's area of expertise," he answers.

His only plan is to make Patrick Brady regret he's ever laid his hands on his wife. And to make sure he never does it again.