Tech billionaire Odin Reichenbach inadvertently provides Holmes and Watson with a lead that could give them evidence that brings him to justice.

Chuck, Nate, Blair, Serena and Lola team up to uncover what they think is an explosive secret between Diana and Jack. Meanwhile, Dan is offered a prestigious fellowship in Rome…

Liz and the Task Force join Red on an international adventure in pursuit of a billionaire who moonlights as a high end art thief. Meanwhile, Dembe chases a lead and…