A deadly sea-dragon threatens the Isle of Berk, and the Hooligans find themselves trapped. With Toothless finding a stash of eggs as the only source of food, the tribe faces an imminent crisis. Now, Hiccup and his friends must embark on a daring mission to save their home and the Vikings from extinction. Will they be able to defeat the sea-dragon and secure a future for their tribe? The fate of the Isle of Berk hangs in the balance as they confront this perilous challenge to ensure their survival.
