About the book: 2019 / On a sunny morning, Alison, her half-sister Kitty and friend Vanessa went to school. And an hour later there was a terrible car accident, in which Alison miraculously survived, but Vanessa died, and Kitty was left severely disabled. Now, fifteen years later, Kitty still cannot speak and suffers from memory loss, and art teacher Alison leads a quiet life and tries in vain to forget what happened that morning. However, when Alison, despite her fears, accepts an offer to teach classes for prisoners at the local prison, something strange and frightening begins to happen... She and her sister are being watched and threatened with the help of anonymous notes. Who- then the one hidden in the shadows waits and prepares to strike. Someone who knows well what really happened many years ago…