The Bowman family encounters danger on the road to a possible new home. After getting a hero's welcome at IGA headquarters, Snyder settles into retirement.

Will follows clues that may expose a dangerous secret about the Seattle Colony. Katie helps a refugee family. Bram steps in as a parent to Gracie.

Katie suspects there might be a dark side to her refugee case work. Will helps Broussard and Amy with a Resistance operation. Snyder goes back to work for the IGA. Bram starts a new job.

Will, Broussard, Amy, and Bram work together to kidnap a high-ranking IGA officer.

Will and Katie question whether their family is safe in Seattle. Snyder digs up dirt on Everett Kynes. Amy parts ways with Broussard.

Will, Broussard, Katie, and Amy help the Outliers deal with an emergency. Snyder makes his play to take over Seattle. Kynes runs damage control.

Will and the Outliers fight to save Kynes from Snyder's IGA army.

Will makes a sacrifice to protect his family. Katie races to save refugees outside the walls. Snyder struggles to control a Colony amidst the chaos of war. Bram and Gracie make a big decision.