After the reconciliation of the Vikings and dragons five years. While Astrid, Smorila and the other guys spend their time competing against each other in the popular Dragon Island Race, Hiccup and Toothless travel across the sky matching unknown locations. When one of his adventures discovers the secret of a cave that is home to hundreds of previously unseen wild dragons and a mysterious dragon rider, two friends find themselves in the middle of a battle for peace.
Trailers, Teasers
