Germany, mid-1950s. Dr. Gerd Vorweg, Lord Mayor of a district town, can be completely satisfied with his life. A few years after the end of the war, he helped his town to regain prosperity and prosperity by setting up a large textile company. He is popular with the locals and has a showcase marriage with his wife Katharina. When Katharina suddenly disappears without a trace, this idyll is suddenly destroyed.

After more than 10 years, a high school graduating class gets together for a class reunion. The initial idyll is surprisingly disturbed when one of the former classmates "outed" himself as a contract killer and begins to kill those present...