A dream vacation can turn into the worst nightmare…Welcome to Provence! Old wineries, picturesque lavender fields and... Gothic castles full of unsolved mysteries. It is here that Serafina Demargelasse, the owner of the chateau, invites her granddaughter and her three friends to stay and remember the past.But a noisy party ends in tragedy: Serafina was brutally murdered, and there are no strangers in the house… The wind howls in the attic, the old boards creak plaintively, and suspicions grow by the minute. Who could wish for the death of a sweet old lady? Is it really about money? Or is it much more complicated?That same evening, someone starts attacking the girls from an anonymous account whose owner seems to know everything about them.The four friends will have to understand: there are secrets worth killing for... "Detailed, lively prose that reveals one mystery after another... a thriller worth enjoying."— Tosca Lee, New York Times bestselling author"In the best traditions of the classic hermetic detective Agatha Christie!"— Kirkus Reviews