Picking up where How to Train Your Dragon (2010) left off, the Viking village of Berk is about to celebrate peace and their first Snoggletog with the dragons. And excited about their annual holiday tradition, Hiccup and his friends enjoy spending time with their winged companions. Then, all the dragons suddenly flew away, leaving the Vikings distraught. But where have they gone? As Astrid tries to lift the residents' spirits and spread seasonal cheer, a crucial question arises. Will the dragons ever return home?—Nick Riganas