Wartime Holland. Who can you trust?

Deep in the Veluwe woods lies a secret that frustrates the Germans. Convinced that Jews are hiding close by they can find no proof.

The secret is Berkenhout, a purpose-built village of huts sheltering dozens of persecuted people.
Young tearaway Jan roams the woods looking for adventure and fallen pilots. His dream comes true when he stumbles across an American airman, Donald C. McDonald. But keeping him hidden sets off a disastrous chain of events.

Sofie, a Jewish Dutch girl, struggles to adapt to living in Berkenhout, away from her family and friends. As weeks turn to months, she's worried they'll abandon her altogether.

Henk Hauer, head woodman, is in charge of building the underground huts and ensuring the Berkenhout inhabitants stay safe.
But many grow suspicious of his liaisons with the Germans. Is he passing on secret information that could endanger lives?

All it takes is one small fatal slip to change the course of all their lives for ever.