One day the Aislings find themselves magically transported to a ship called the Unicorn. Here, they discover that they’ve been chosen to fulfill an incredible quest! They undergo an incredible journey of discovery in strange lands with enchanted creatures, but find their voyage is really one of the spirit, as they each learn faith and the power of love.

When his nephew tries to wrest control of his estate from him, the Duke of Dingwall removes the boy from his will and leaves everything to his dog.