Hiccup x Stryker: Forbidden Love

As Hiccup and friends get back from a mission to free dragons from Dragon Hunters, they see Dagur and Sleuther waiting for them, a piece of paper in the Beserker's hand. The Terror mail contains writing indiscernible by the Dragon Riders, but the dragons can see a message. They take the Riders on a journey that leads to an abandoned village on an island. But what they find will change their perspective on the story of the Triple Stryke, as well as a dire rescue and recovery mission to save a life. Who and what did they discover? Find out in Forbidden Love!