The world is changing. In the wake of the vault beneath Rossall Chapel being opened, ancient alliances start to fracture and the supernatural cold war begins to thaw. Theo and his allies rush into a frantic search for Cassidy, only to find that in order to save her they must infiltrate Riverside Corporation and confront its dangerous leader. Theo and his allie's troubles do not end there, and they quickly learn that to get justice for the Halla's murders, and keep The Pales retribution at bay, Theo and Lex will have to venture into the perilous supernatural criminal underworld. In the meantime Cassidy must learn to adapt to her own situation and all must decide whether the capricious leader of the Pales, Sterling, is ultimately in Fleetwood to keep the peace, or do worse...