As Rath takes part in a risky experiment, a brutal gang war breaks out in Berlin; widow Behnke tries to help Katelbach; Toni finds herself in danger.

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.