On the island of Berk, where Vikings and dragons have been bitter enemies for generations, lives Hiccup. The resourceful but underappreciated son of a chieftain, Hiccup defies centuries of tradition when he befriends Toothless. Their unlikely bond reveals the true nature of dragons, challenging the foundations of Viking society. With the warlike and ambitious Astrid and Gobber at his side, Hiccup confronts a world torn apart by fear and misunderstanding. When an ancient threat emerges, threatening both Vikings and dragons, Hiccup and Toothless' friendship becomes the key to forging a new future. Together, they must walk a delicate path toward peace, rising beyond the boundaries of their worlds and redefining what it means to be a hero and a leader.