Barry hitches a ride to the final frontier. As an operative's cover story begins to crumble, Luke and Emma seek help from an unexpected ally.

Emma and Luke catch a buzz in a deep-sea submersible. Back on land, bullets and breadsticks fly in a confrontation at a pizza joint.

As the clock ticks down to zero hour, Luke and the crew must break into a top-secret facility before their adversary turns off the lights — for good.