This computer-animated action fantasy film series follows the adventures of a young Viking named Hiccup Horrendous Haddock III, son of Stoick the Vast, leader of the Viking island of Berk. Although initially dismissed as a clumsy and underweight misfit, he soon becomes renowned as a courageous expert in dragons, beginning with Toothless, a member of the rare Night Fury breed as his flying mount and his closest companion. Together with his friends, he manages the village's allied dragon population in defense of his home as leader of a flying corps of dragon riders. Upon becoming leaders of their kind, Hiccup and Toothless are forced to make choices that will truly ensure peace between people and dragons.