The world needed a hero. Sadly, what it got was Finn. On a list of things Finn never thought he'd wish for, a gateway bursting open in Darkmouth was right up there. But that's about his only hope for finding his missing father. He's searched for a map, he's followed Steve into dead ends, but found nothing. And he's still got homework to do. But soon Finn and Emmie must face bizarre Legends, a ravenous world and a face from the past as they go where...