At the edge of a winter forest, a little girl was found wandering in a nightgown and barefoot, with her hands covered in blood - and it was not her blood... From that moment on, she did not say a word - the girl did not react to anyone or anything at all . Except perhaps for Police Sergeant Lucy Black, who found her. Lucy was busy looking for another child—the daughter of the richest man in the area—when she came across this lost thing. Gradually, Sergeant Black came to the conclusion that both girls were somehow connected, and if the one found finally spoke, then it would not be difficult to find the other one. But when will she speak?.. And then one day the little girl opened a children’s book with fairy tales that Lucy had brought her, and was terribly scared when she saw a drawing of a wolf on the page...