Fifteen-year-old Auriel is convinced her parents have totally lost their minds. After spending the family's savings, they insist it's time to go home by way of underwater travel, through a gateway leading to an existence known as Center World. When a massive submarine surfaces on the waters of Lake Michigan, Auriel begins to doubt her own sanity. The submarine, however, is nothing compared to what awaits her in Center World. If Auriel and her family can't pull themselves together and work as a team it may just cost them their lives.