Fight of the Tertia (1952 film)
Fight of the Tertia GermanDer Kampf der Tertia is a 1952 West German family film directed by Erik Ode and starring Brigitte Rau, Wolfgang Jansen and Horst Kppen. It is based on the 1928 novel of the same title by Wilhelm Speyer which was previously adapted into a 1929 silent film. Youth gangs clash in a small town on the Baltic Sea.
Source: Wikipedia