Hiccup Horrendous Haddock iii became chief six months ago. He finally asked Astrid to be his fiancée and everything is going well. But when an old friend comes back to Berk, a letter follows them. The worst part of all is that a mysterious Viking has come to Berk and he will threaten the thing that Hiccup loves the most! Read to see how Hiccup deals with his troubles. Copyrights go to DreamWorks Animation for making How to Train your Dragon!