GRIM- A legend, a truth and a secret

The Viking, Hodulf has murdered the old king and seized the throne for himself. He now wants Prince Havelock dead. The fishermen, Grim, hides the boy, but Hodulf's spies are everywhere. Desperate, Grim, his family and Havelock silently flee Denmark. Under a black, starless sky, they board their ship and set sail into the unknown. What is to become of them? How will they survive? And what is the truth behind the secret of the pendant and the ring?