Many years after the dragons left, Hiccup was still Chief of Berk, married to Astrid and has two kids named Nuffink and Zephyr. A boy and a girl. Toothless was still the Alpha of the Hidden World with the lightfury and had three nightlight babies. They were both living happily in their different worlds. Having their own lives, family, and protecting their own kind. When Hiccup and Astrid's kids started to get curious as to why there was no more dragons on Berk. Their parents just avoided the subject. What if one day, Nuffink and Zephyr goes out to the exterior of the island without permission and one gets captured by an old enemy they once new. Grimmel the Grizzly... Alive and ready for revenge, determined to destroy everything the chief has ever loved... his family and his dragon. Hiccup must once again make a impossible decision to save his family and his dragon...