A high-ranking Resistance member is ready to cut a deal. Katie receives a second chance. Bram proposes a risky journey outside the colony walls.

Will returns to an unfamiliar workplace; Katie is on her best behavior; Broussard and his cell make a discovery about the Wall.

Bram embarks on a risky sabotage mission with his friends; Will faces the new Resistance; Kate learns a dark truth about the bloc.

Six months after escaping Los Angeles, the Bowmans and Snyder enjoy a simple life in the mountains-until a sudden arrival changes everything.

Will and Katie put themselves at risk to make contact with the Resistance. Broussard pieces together IGA secrets left behind in LA.

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 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.