Five years have passed since Hiccup and Toothless united the dragons and Vikings of Berk. Now, they spend their time charting unmapped territories. During one of their adventures, the pair discover a secret cave that houses hundreds of wild dragons -- and a mysterious dragon rider. Hiccup and Toothless find themselves at the center of a battle to protect Berk from a power-hungry warrior.
When an evil spirit known as Pitch lays down the gauntlet to take over the world, the immortal Guardians must join forces for the first time to protect the hopes, beliefs and imagination of children all over the world.
When the eternally optimistic Poppy, queen of the Trolls, learns that the Bergens no longer have any holidays on their calendar, she enlists the help of Branch and the rest of the gang on a delightfully quirky mission to fix something that the Bergens don't think is broken.
