When Toothless gets drawn away by the sudden and inexplicable appearance of female Light Fury and a new threat finds their way into Hiccup's crowded dragon utopia, both human and dragon alike are prompted to begin a search for the mythical ancestral home of dragons: a hidden world thought to exist only in myth. A tale of friendship, fate, and ultimately letting go.

When Toothless gets drawn away by the sudden and inexplicable appearance of female Light Fury and a new threat finds their way into Hiccup's crowded dragon utopia, both human and dragon alike are prompted to begin a search for the mythical ancestral home of dragons: a hidden world thought to exist only in myth. A tale of friendship, fate, and ultimately letting go.