The Shevvingtons are perfect. Mr. Shevvington is the charming, handsome principal of Christina's school. His wife is a dedicated English teacher. But when the autumn fog rolls over the coast, Christina and Anya begin boarding at the Shevvington's home, and Christina discovers that nothing is as it seems. There is evil at work. Anya is slowly losing her mind. and Christina knows the Shevvingtons are behind it. but who will take her work against that of the Shevvigtons.