After falling into a depression, Chief Hiccup decides he needs to get away from Berk to have time to accept Stoick's death, and he and Toothless leave for a week-long trip. However, when an injured Toothless returns to Berk without his rider, Hiccup's friends must race to find their beloved chief before he is lost forever. {Hiccstrid, Hiccup!whump}