This movie is about myth related to Viking and dragon. The story is about a young viking named Hiccup who lives on Berk island in which beating dragon is the way to survive. This smart and humourist young is doubted by the tribe chief and also his father, Stoick the Vast, about his ability. However, Hiccup is still allowed to join in a train to fight dragon along with some other young men. It is to prove that they are ready to be a fighter. After being success to beat a dragon by cannon rock, Hiccup finally makes a friend with the wildest dragon named Toothless. This friendship makes him realised that Berg people do not need any dragon-hunter.