Hoffmann insists on further training despite the crew’s desire to head to battle. In La Rochelle, Simone pieces together the previous night’s events.

Tennstedt and Hoffmann continue to butt heads aboard U-612, while rebel Carla Monroe plans a mission in La Rochelle.

Unity on U-612 has crumbled and Hoffman and Tennstedt’s continued conflict could jeopardise the mission. On land, Simone wrestles with a difficult choice.

A surprise new arrival takes Greenwood’s place, causing a divide. Plus, Carla and Simone grow closer and a resistance fighter arrives at the safe house.

An inexperienced U-boat crew are plunged into a perilous secret mission, while new translator Simone starts work at the base.

Hoffmann struggles to hang on as his chance to escape heads toward US shores. Margot pushes on with her plans.

Wrangel catches up with Johannes, leading to a dramatic showdown out in the Atlantic. Hoffmann shows up at Cassandra’s place.

Widow Behnke kicks off her high-stakes rescue plan; Stennes instigates a hall battle in the Moka Efti; Charlotte makes a secret observation.

The SA and SS face each other in the Stennes Putsch; Wendt wants the police to intervene; Toni meets an ally.

In urgent need of money, Charlotte enters a lucrative dance marathon; Councillor Wendt pitches his plans to Nyssen; Rath visits Stennes in prison.

Abraham Goldstein arrives in Berlin as the secret organisation White Hand passes a verdict on a criminal; Rath investigates a boxing match.

As an SA squad marches through town, Charlotte is called to a crime scene; Nyssen throws a huge party with Helga and makes an important announcement.

As a dead man on a park bench in the Tiergarten grabs the attention of the homicide squad; Toni gets caught; Charlotte makes a terrible decision.

Max’s nephew suffers a breakdown after the drowning of a fellow cadet at a military academy. The police department refute suspicions but Max shows Oskar a pattern of violence and…