Four children stumble into another dimension, a magical world along with their father, Jack O'Shea. They discover that their father is not only the King of Gammalon but he is also returning to defend the throne against a tyrannical lord. Now it is up to them to stay and fight for their heritage. But first they must find the mythical shadow warriors of the Tsez Xian before the next storm hits. And they have only days before all hope is lost.