Hiccup and his fellow riders try to defend the edge from another dragon hunter attack led by Viggo and his brother Ryker. But during the battle, Hiccup gets injured and tries to hide his pain from his friends. But when the dragon hunters attack the edge again soon after, fighting the hunters leads Hiccup to get captured and in the hands of the hunter brothers. Can his friends get Hiccup before more harm is done?

On a mission to free dragons from Dragon Hunters, Hiccup gets attacked by an unknown dragon and gets deathly ill. The Dragon Riders need to find out what is making their leader and friend sick and find a cure before it's too late.

Stories, Alternate Endings, and more in the Race to the Edge seasons. I do not own httyd or the characters.