The Hunters Become the Hunted

During an Outcast invasion against Berk, the heir to the Hairy Hooligans is taken prisoner and tossed into the deadly grip of a darkened chief. In order to escape the Outcastlands alive, Hiccup Haddock must do what has never been done in all of Viking history: tame a wild, fire-breathing dragon-but, not just any dragon, a Nightfury: the unholy offspring of lightning and death itself!