After narrowly escaping death, Juliana discovers a family secret that could have global implications - and leads her to make a life-changing decision. Kido, Tagomi, and Frank all take dangerous risks, while back in New York, Joe settles into a normal routine, only to have it turned upside down when Smith gives him the opportunity he's waited for his whole life.

Juliana discovers she's far from safe from the Resistance in the Reich. Smith confronts the reality of the lengths he's willing to go to in order to protect his son. And another father - Joe's - tries to persuade him to give Berlin a chance. Frank also has a decision to make: how far is he prepared to go to help the Resistance cause?

Juliana and Tagomi pursue the mysteries of the films and Juliana reunites with an old friend. Childan is anxious to return to San Francisco now that the reprisals have stopped, but a potential new romance makes Ed reluctant to leave. Kido receives intelligence that sets him on a new path. Smith finds himself celebrated by Nazi high society at a screening of Nicole's new film about Thomas.

A new community fights for survival in the Neutral Zone. Juliana and Joe get reacquainted, while Joe continues his undercover work for Himmler. Wyatt drops in on Juliana in San Francisco. Smith's past rises up to haunt him. Ed and Childan face a challenge on their way home to San Francisco. As tensions between the Reich and the Empire rise, Tagomi finds his life may be in danger.

Juliana's attempt to stop the Nazis lands her in a precarious position. Himmler and John Smith lead a lavish celebration of Year Zero. Amid a series of successes, Smith faces a setback. Kido returns to San Francisco with a prize, performs an act of kindness for a friend. Tagomi makes a difficult decision. Ed returns to San Francisco and reconnects with Childan.