Mrs. Aylwood is a distraught mother since her daughter, Karen, vanished in the Welsh countryside 30 years ago. When the Carstairs family move into the Aylwood manor for the summer., strange occurrences begin to unnerve the family and Jan begins to suspect that they are linked to Karen's disappearance. As Jan unravels the dark past hidden by the townspeople, she delves further into the mystery and deeper into danger, but now it might be too late to escape the Watcher in the Woods.

Inspired by true events. Cast into a violent and bloody world of murder, Hereward, a novice monk, must deliver the Holy Gospel of Lindisfarne - a book of great beauty and power - to the safety of the Iona monastery, while being pursued by a Viking death squad hell- bent on its capture. On his way to the monastery, he meets a fierce and skilled swordsman who answers his prayers and dedicates his life to protecting Hereward while he delivers the book. In the midst of their journey, they are confronted by Vikings ready to kill in order to get what they want, leaving Hereward and his protector at their mercy.