At Jai's safe house, Annie & Auggie find Jai was investigating Simon. Annie tells Arthur & Joan she has been cultivating Simon and thinks she can turn him. Simon says no, but asks Annie to marry him. Simon & Annie are gunned down by Lena.
As the life of one the Agency's best hangs in the balance, the team works to discover the truth after it's revealed that one of their own might not be who they thought.
Annie is in Germany to get proof against Henry. Calder arrives Germany to track Annie. Senator Pierson wants Joan out of office. Joan has pregnancy problems and goes to the hospital. Annie and Calder meet to talk. Annie is shot and goes off grid.
Annie and Auggie work together to bring Henry to justice. Calder returns to the States with a win for the Agency, but Joan may remain his only true ally within Langley.
Annie considers betraying the agency to save Eyal, but Auggie comes to the rescue. Meanwhile, Henry Wilcox returns from prison and sets his sights on Arthur and Joan.
Annie, Auggie and Calder head off on an unsanctioned mission to Hong Kong in pursuit of Henry's courier. Joan and Arthur unveil a traitor in their midst.
Arthur resigns, saying he had an extramarital affair. He asks Annie to find out if Henry knows Teo is his son. Annie and Auggie continue their investigation and find a mole in the CIA. They learn Arthur never cheated but lied to protect Joan.
McQuaid is on the run, and Annie risks everything and comes to his help after he claims that somebody has set him up and he is not responsible for the Chicago bombing.