Afterhisparentsmysteriouslydisappearedeightyearsago,youngEricDalarasembarksonasearchforthetruthandentersafrighteningworld.HeandhissisterUmagrewupwiththeirmaternalgrandparents.Ericdecidestoleavehishomelandtoreturntotheplaceofhischildhood,CaboQwert,wherehewantstolookforanswersattheTierraIncógnitahorroramusementpark,sincethisiswherehisparentswerelastseen.Togetherwithhisfriends,hissisterandhisaunt,Ericmustovercomehisfearsinordertosolvetheriddlesthatultimatelyleadhimtotheanswerstoallhisquestions,whicharehiddeninacosmosasunknownasitisdark.