A woman named Betje Wery, whose parents are already in a concentration camp in Poland, is apprehended by authorities at a train station.
She is threatened with deportation to the concentration camps unless she helps Riphagen and the Nazis with information on resistance members and Jews in hiding.
Riphagen eventually falls in love with a local woman, whom he meets when she is covering a work shift for her waitress sister, at a restaurant that is frequented by him.
They eventually marry and move into a beautiful house that was stolen from its trusting Jewish owners, who were deported to a concentration camp after handing the keys over to Riphagen.
Greetje thinks her husband is actually part of the Dutch resistance and is helping Jews by keeping their money and property safe until after the war.
A very competent conman, he makes sure to take pictures with the Jews he's betrayed, so that he can use the photos as evidence after the war ends, to prove that he was part of the resistance.
A new group of resistance fighters, headed by a man named Sanders, seeks vigilante justice against Dutch collaborators.
Greetje refuses to believe the truth about her husband, but eventually, Jan is able to convince her when he notices the St. Christopher gold necklace she is wearing.