For 16 years, Zyrah never knew her birth parents and lived peacefully among dragons in her village. Shortly after Drago Bludvist's defeat, Zyrah, her older brothers, and her best friend Konall take a visit to Berk and meet its new chief and his fellow dragon riders. Along the way, Zyrah learns that who you choose to follow defines who you are and that some can never be trusted.

Laeli was ready to take on the world, until fate played its cards against her, going from the warm Pacific to the frigid unknown of the North. After being taken in by the Haddocks, she has her hands full again with an unruly rogue Viking named Eyarr, who has a bone to pick with what life throws at him. The fiery pair face new sets of challenges to find loyalty and trust together.

Everyone knows the question: "Why didn't you?" Well, Sienna finds herself asking Sawyer the very same question, on a different matter: Why he hadn't come home sooner? And the answer is not what Sienna and Toothless expected.

A couple of years before Konáll met Zyrah, a lightning storm caused him to meet his first dragon, Lightbolt. A male skrill frequently causing trouble on the island. After a few days of an ongoing lightning storm, Konáll decides to go after the skrill to figure out what he wants, and gets more than he believed he would get. Rated K for safety!

When Toothless looks into his daughters eyes for the first time, he is shocked and saddened to see how his daughter is the spitting image of his former mate Sienna. After struggling to think things through, Toothless speaks to Stormfly the next day for some advice.