You know the original gang. Rapunzel, Merida, Hiccup, Jack and the rest of the guardians. We know of Pitch, who is the counterpart to the Man in the Moon. But...what about the...others?....
What happens when the Big Four encounter these four new threats. Which just so happens to be... Themselves?! What happens when the Big Four meet Jokul Frosti, Hikke Haddock, Raponzal, and Mer'uda?
Their ruthless, demonic, cannibalistic, and just up right crazy counterparts...
Jack, Hiccup, Rapunzel, and Merida must all come together to help defeat a reoccurring nightmare, but when one of them turns to evil what will they do?