When Gran and his family move to Carousel, he has no idea that the town is built atop a secret. Little does he suspect, as he walks his sister to school or casually eats a banana, that mysterious forces lurk mere inches beneath his feet, tearing up the earth like mini-hurricanes and causing the town to slowly but surely sink. When Gran's friend, the difficult-to-impress Catalina Catalan, presses a silver handle into a hillside and opens a doorway...

As construction begins on the Golden Apple Amusement Park, Aaron Peterson is becoming increasingly worried about his father. Working late nights in his study, Aaron's dad seems to be fraying at the edges-pushing, and sometimes breaking, the laws of engineering with his new schematics. And with the added pressure he's under to complete the park by this summer, Aaron can't help but feel his father's inventions are doomed to end in tragedy once again....