Bismarck's sabotage is called into question when it is revealed that Johann has betrayed him. Eva fights to organize a banquet on the battleship that will enable the action to be carried out. Bergman hinders her plans, but thanks to Stromberg's influence, the banquet goes ahead. Franz organizes a new sabotage plan, involving Staszek, but after he is shot, Tadek takes over the task.

Lieutenant Franz Neumann discovers that Eva is missing. Stromberg was kidnapped by a fanatical Nazi Wulf, who wants to extract key information from her. Franz blackmails his superior, Bergman, to find her.