It's been five years since Seth rescued Elena--since he was the only one who could navigate all those abandoned metro tunnels and bring her back. They're sophomores in high school now, but Elena's stuffed away the trauma of her ordeal. She's dating Ruben, new leader of the Mayans, the very gang who abducted her for ransom. Under the guise of focusing on his studies, Seth's forgotten the magic of his own childhood.

But one moonlit night, dragonfly Fidel appears on Seth's windowsill, telling him Constantine's in trouble. Seth's taken back in time; Constantine, the Boatman was once his only friend.

Seth's left to decide whether the fanciful realm he imagined as a child was simply an escape, or represents a very real world in need of rescue. More importantly, he must decide whether he should protect his heart, or get involved and venture into a world he's not even sure exists. Only in Interia will Seth learn it's by saving others that we save ourselves...