WhenthedigitalnativeBenjaminturns18,heinheritsaboxofancientartefactsfromhismissingfather.HegivesanantiquebooktoSlien,thegirlhehashiseyeon,andunintentionallysetsachainreactioninmotion.AnoldmancalledZepposisalsoveryinterestedinthebookwhichoncebelongedtothecartographerMercator.UsingthesecretmessagesinMercator'sbook,thetriouncoversthemysterywhilehavingtostayonestepaheadofamysteriousrival.