Amid a devastating family emergency, Luke finds the lines of his double life becoming blurry as he deals with a distracted Emma and a demanding Boro.

While Cress tightens the screws, Chips matches wits with an interrogation expert. A stealth mission makes a bigger bang than expected.

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