Taken to Antarctica by the man she thinks of as her uncle for what she believes to be a vacation, Symone--a troubled fourteen year old--discovers that he is dangerously obsessed with seeking Symme's Hole, an opening that supposedly leads into the center of a hollow Earth.

Robbie's last-minute flight to the Midway Atoll proves to be a nightmare when the plane goes down in shark-infested waters. Fighting for her life, the co-pilot Max pulls her onto the raft, and that's when the real terror begins.