『亚洲第一卡通动漫综合』介绍:Set1,300yearsaftertheeventsofHowToTrainYourDragon,dragonsarenowjustalegendtothemodernworld.Whenageologicalanomalyopensupanimmense,miles-deepfissureintheEarth’ssurface,scientistsfromallovertheworldgatheratanewresearchfacilitytostudythemysteriousphenomenon.Soonagroupofmisfitkids,broughttothesitebytheirparents,uncoverthetruthaboutdragonsandwherethey’vebeenhiding--asecrettheymustkeeptothemselvestoprotectwhatthey’vediscovered.