Hicks was the first dragon trainer of the Vikings and successfully fulfilled his mission to establish peace between dragons and humans. This peace they have won with his dragon Toothless loses importance with Toothless's new discovery. Toothless discovers a dragon of his own lineage that he thought is now extinct. This female dragon is ferocious and formidable. When danger comes to the fore once more and the authority of Hicks is tested, both the dragon and the rider will have to make important decisions to protect their own...Show MoreSummary is created automatically by HDMovieBox.org AI.