U.S Postal Inspectors are called in when a suburban couple are killed by a mail bomb. Suspicion immediately falls on the couple's estranged and heavily in debt son, who also just happens to be a Navy munitions expert. But investigations reveal that
Betriek lives at the edge of a peat bog in the North of the Netherlands. When she and her family are attacked by a random stranger one night, Betriek sets out to find an explanation. The more she digs, the more she becomes convinced that she is being hunted by something ancient.