Tom is very happy as Snuf healed from his wounds and returns to home, while the German Jewish girl Mirjam found refugee with uncle Tjerk, but they are being betrayed and being raided by the Germans. Captain Brandenburg manages to escape to the allies via the swamps, but Tjerk and Bouke are arrested. Mirjam barely escapes thanks to Tom and Snuf. They flee and finds out the traitor that tries to set up a trap for allied forces. After a difficult tour through swamps, they manage to warn the Allies and to reveal the traitor. Will the Germans flee after an Allied attack?