NSU German History X is a TV show based on the true story of the National Socialist Underground (NSU) terrorist group in Germany. It explores the rise and fall of the group, highlighting their acts of violence, which included ethnic hatred, brutality, and domestic terrorism. The show focuses on the investigation and trial of the NSU members, shedding light on the dark history of neo-Nazism in Germany.

For the first time since her husband's death, Ute visits their former FKK-club. Curiously she enters this familiar place and immediately receives a warm welcome. However, she painfully has to realise that in the eyes of her old friends she primarily has become the widow. Unintentionally she finds herself involved in a group game in which you have to make your teammates laugh by saying one simple sentence.

In 1988, the East Berlin homicide squad again and again encounters crimes that - according to the opinion of party leadership and state security - do not exist in socialism.