Bob Lee tries to protect his family while incarcerated; and Isaac aims to silence him. In other events, Nadine contacts Bob Lee's wife, Julie, who's dealing with the backlash against her family.

Bob Lee plans his next moves; and Isaac ties up loose ends. In other events, Nadine investigates the Ukrainian connection.

Bob Lee travels across the country in order to find the shooter; Julie deals with a family betrayal; Nadine contacts a Ukrainian reporter who can explain the conspiracy; and Isaac questions his allegiance.

Bob Lee and Nadine plot to secure evidence that could expose the conspiracy. Isaac searches for an exit strategy. Payne tries to flee. Julie and Mary are in danger.

Bob Lee visits a local prison for answers about his father's murder; Julie takes a job helping the family lawyer; Nadine and Isaac grab Harris Downey, who knows more about Atlas than he realizes.

Bob Lee pays a visit to the Pooles after hearing a new rumor, and Julie follows a lead of her own. Isaac and Nadine pursue an Atlas target.

Bob Lee and Isaac are put through the wringer by a member of Earl's Vietnam unit. Julie stands up to the Bama family. Nadine sneaks into a high tech security facility.

Bob Lee's search for Bama Jr. leads him to a fringe group, but causes a rift in his marriage; Isaac and Nadine use information left behind by Earl to meet with the President's Chief of Staff.

Bob Lee and Isaac ambush the Atlas training facility; Nadine and Harris scheme their way into a face-to-face with a critical player in Atlas' plot to retain power; Julie's paranoia grows.

Harris helps Bob Lee get payback for Earl's death; Nadine and Isaac try to convert Atlas recruits to their cause; Julie experiments with putting life with Bob Lee in the rearview.

As Bob Lee finds himself torn between justice and family, Atlas pivots to a new game plan. Isaac and Nadine investigate an overlooked Jack Long thread. Harris meets with a powerful ally.

Bob Lee attempts to put an end to Atlas, all while trying to save his marriage and tie up the remaining threads from his past. Isaac, Nadine, and Harris find new roles for themselves in D.C. Series Finale.