Het geheim dat bloed zag

In 1936, on his deathbed, the Baron of Destelbergen gives a treasure map to his son Waldo. However, the latter loses the case containing the map. This is found first by children and then by the poacher Fons. Fons blackmails the baron and a few days later Pieter, the castle's servant, kills the poacher. He wants to find the treasure himself.