A mysterious new suspect is interrogated. Frank’s secret comes to light. Havlock works on retrieving the contents of his hard drive.

Sidney learns about her father’s past, the Atwater Protocol, and the classified intel in Archive 6.

Bradford lands in Fairbanks with a CIA task force and new primary target. Sidney makes a desperate attempt to expose the truth.

A state trooper goes missing, widening Frank’s investigation. Armed locals join the manhunt. Sarah grows concerned over Luke’s whereabouts.

Frank focuses on tracking down Luke. The CIA’s involvement ramps up as Havlock’s plan enters a new phase.

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.