After his falling out with Neal, Peter tries his best to get back in synch with has partner in time for an FBI conference where they'll be featured speakers. But their panel is cut short when the conference suffers a security breach. It seems an uninvited guest has crashed the convention, and he had corporate espionage on his mind.

While their relationship is still rocky, it doesn't take long for Neal and Peter to zero in on the party crasher or his target: a next generation bulletproof vest worth billions. And as the team lays a trap to catch the thief in the act, it seems that Neal and Peter may be getting a little of their magic back.

But, little does Peter realize that Sam has resurfaced, and he, Neal and Mozzie have hatched a plan that exploits Peter's own FBI resources to draw out Sam's pursuers. However, when Peter turns up a shocking piece of information about Sam, it will change everything...