Barry and Tina infiltrate a private, high-stakes card game in hopes of inching closer to Boro. Emotions boil over when the team gets trapped in a bunker.

It's a sink-or-swim mission when Luke and the team dive into deadly waters to stop a sinister terrorist from making a massive splash.

Every second counts as the team scrambles by land, air and sea to avert a catastrophe. Aldon finds himself outnumbered — but not outmatched.

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.