First installment of the series starring curator Simon Serrailler. A lonely woman vanishes into the fog in Lafferton, a small English town. The town police do not give it importance, but the young detective sergeant Freya Graffham, recently arrived from London and under the orders of Inspector Serrailler, is not resigned to filing the case, especially after finding a note among the belongings of the missing person and an expensive set of cufflinks.