Finn’s father Hugo, the only remaining active legend hunter, has been betrayed by his friend, Mr. Glad. Since then he has been stranded in the empire of legends and is to be pronounced dead! But Finn may never ever leave his home, until he has found a way how to save his father.

When Finn and his friend Emmie find a map and a crystal which enable them to get to the Infested Side, they meet Niall Blacktongue, Finn’s grandad, who has been missing for many years. But Niall Blacktongue is not interested in helping his grandson Finn and his son Hugo. He only has one aim: He wants to defer the end of the town and the end of all. And the key to this is solely Finn!