The corpse of a prison official has been found in a forest near Frankurt.His skull was hit with a stone.When Lea visits the prison to get informations about the official she learns that he had only one friend, a prison guard, Heiner, who just ten minjutes later has been beaten by prisoners.When she visits Heiner at this flat she meets a strange man, who is a former prisoner.
This episode is very interesting, because the investigation has a very good rythm, one new thing means shadowing, pictures of suspects,etc. It's also a good case of investigation with a little undercover operation.