A school master is beaten to death with a cricket bat by an unknown assailant. 60 years later, the body is found by students on a cross country run. Douglas Flemming identifies the bones as Friedrich Zwanziger, a strict disciplinarian who disappeared while collecting beetles. As the investigation proceeds, McVitie discloses that he is on the board of governors.
Casts:
Mark McManus, James MacPherson, Alex Norton, Colin McCredie, John Michie, Harriet Buchan, Tom Watson