An unprecedented emergency sends Fairbanks into lockdown. Frank gathers every resource available to mount a full-scale response.
Luke tries to get back home as the manhunt for Havlock intensifies. Frank weighs whether he should give in to a set of demands.
Sarah’s disappearance adds urgency to Frank’s search. Havlock’s master plan takes an unexpected turn, increasing the number of hostages.
A state trooper goes missing, widening Frank’s investigation. Armed locals join the manhunt. Sarah grows concerned over Luke’s whereabouts.