Hiccup and Astrid are normal enough. But Jack and Tooth? Well, Jack quit his former job as a software pirate and moved back into coastal Burgess on a cruise ship, only to be followed for a week by Tooth, who's determined to fight him to the death. And don't forget, Tooth's a mermaid. Welcome to the Coconut Club, where one-lens sunglasses are in and the status quo is definitely out.