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.

The city of Los Angeles has been occupied by an unknown force. Former FBI agent Will Bowman and his wife Katie are separated from their son during the invasion, and are willing to do anything to be reunited with him. When they are offered a chance to get their son back by collaborating with the occupational government, Will and Katie find themselves faced with the toughest decision of their lives.

Will faces unforeseen challenges on his first day at his new job. Katie receives her first assignment. Maddie reconnects with an old acquaintance. Carlos pays the price for Will's collaboration.

The Resistance reaches out to Katie; Will wants to help his wife bury her past; Maddie and Nolan visit the labor camp.

Katie's first mission forces her to question her commitment to the cause. Will's search for Geronimo doesn't sit well with the resistance. Bram's girlfriend shares a secret with him.

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

Geronimo's identity is revealed. Will begins to question Katie's loyalties. Bram finds his way into a secret world. Snyder sees an opportunity to improve his standing.

Will hunts the resistance, bringing him closer to learning his wife's secret. Katie feels cut off from her family and her cell. Maddie is caught up in Green Zone intrigue.

Will decides to trust an old friend. Jennifer visits Katie while Bram meets the camp commandant.

Will, Devon, and Charlie try to journey home. Katie, who fears the worst, says goodbye to her daughter. Bram makes friends at camp; and Maddie finds a new project.

Jennifer keeps an eye on the Bowman house. The family encounters unexpected challenges when Charlie returns home.

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

Will, Katie and Broussard search for a way out of the colony. Maddie gets some visitors in the Green Zone. Bram looks for closure.

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

Will and Katie fear they might be in danger when the Resistance camp is put in lockdown. A risky plan makes Broussard question Amy's intentions.

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

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.

The second season opener has Will and Katie trying to keep their family together in the changing city. Broussard returns home while Snyder receives a job offer from a mysterious organization.

Will continues to earn the respect of his new colleagues, but when his home comes under an attack, everyone is a suspect- even those closest to him. Meanwhile, Maddie finds a way in to the upper echelon.

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.

Five different points of view show the attack on the Green Zone.

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 wants his family out from under the occupation. Katie and Broussard plot a major operation. Snyder tries to protect his office. Maddie makes a bold political move.

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