Emile Brumsteede

Petty criminal Bert Oliemans goes down for stealing jewellery from a former SS man. After his release he is constantly followed by police commissioner Van Houthem and a greedy gang leader, both out to get their hands on the stolen jewels.

Four inmates are ordered to enter an annual four day walking tournament. When they get over their initial annoyment, each one of them finds a way to take advantage of their time out of jail.