Fifteen-year-old Will Besting is sent by his doctor to Fort Eden, an institution meant to help patients suffering from crippling phobias. Once there, Will and six other teenagers each spend time in mysterious fear chambers and confront their worst nightmares—with the help of the group facilitator, Rainsford, an older man, and his teenage assistant, Davis. When the patients emerge from the chamber, they feel emboldened by the previous night's experiences and are cured of their fears. But each person soon experiences strange, unexplained aches and pains....
What secrets are hiding within the walls of Fort Eden?