The Nightfury is one of the worlds most mysterious dragons. It never steels food, never shows its face, and never misses. This creature is unperdictable, and no-ones met one and lived to tell the tale.

At least thats what the book says. But the young Viking Hiccup has just managed to find one. Stuck in a high walled valley whith a broken tail wing, this paticular dragon is at Hiccups mercy, and the two are begining to realize that their worlds are closer then first thought. Hiccup has enginered a fake tail wing for his new pet, along with a saddle, and the two are flying high, seeing new things, and discovering just how much they have in common. Hiccup has also learned alot about dragons strengths and weaknesses from this reptile, and thier coming in handy during his trianing. But just how long will the duo be able to keep thier secret, and what will happen when the village finds out.