Hiccup, the son of Stoick of the Vast, the chief of Berk, wants to prove to his father that he stop Jack from his mischievous plays before he could hurt anyone but Stoick doesn't believe his son would do it. Jack Frost is sent to Berk after one of Toothiana's fairies spotted Pitch Black moving to Berk now it's up to Jack to find out what Pitch is up too and stop Pitch. Will Jack save Berk in time? Which side will Hiccup choose, his father or Jack?