Unlock the secrets of the Dragon Eye and come face to face with more dragons than anyone has ever imagined as Hiccup, Toothless and the Dragon Riders soar to the edge of adventure.
故事发生在小嗝嗝与没牙仔分开的五年之后,博克岛一年一度的亲衣节又到了,然而随着小嗝嗝的孩子们的长大,对龙与人曾经那段真挚而深刻的友谊只能通过父母的言语来了解,不免产生了质疑,小嗝嗝为防止孩子们对龙的误解,又能想出怎样的妙招呢?