Julie and Isaac team up to save Bob Lee after he is kidnapped by Solotov; Nadine confronts Hayes about Atlas; new information about Bob Lee's father, Earl Swagger, sets off a new mission.
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's investigation into Earl's murder leads him to the local slaughterhouse; Nadine and Isaac's quest to take down Atlas forces them into an uneasy alliance with a former Atlas agent.
Armed with new details, Bob Lee hunts for the men responsible for Earl's murder; Julie follows a lead of her own; when Harris gets grabbed, Bob Lee joins Nadine and Isaac on a rescue mission.
Bob Lee visits a friend of Earl's to ask about a rogue operation in Vietnam; he joins his team to crash an event in D.C., where they cross paths with an operative on a mission of his own.
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.
Close to solving the mystery of Earl's death, Bob Lee and Isaac meet with a former dark lord of the Pentagon; Nadine is sent on a dangerous mission by a DOJ Agent.
An attempt on Sam's life leads the Swaggers to shocking information left behind by Earl, which may have led to his death; Nadine and Isaac's team take a run at one of the heads of Atlas.
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.