The quiet town of Granville finds itself in the center of dizzying and dangerous events. It would seem that what could be scary in the most ordinary Sudoku championship? At most - the harmless intrigues that the participants weave, the rivalry of teams and the small scams of those who hope to get the main one by deception prize. But... suddenly everything becomes very, very serious. A murder occurs in Granville. And before local police chief Brandon Mitchell and his beloved woman, brilliant amateur detective Kate MacDonald, can do anything, their main suspect is killed. Well next? It seems that the criminal is not going to stop there. However, an unexpected ally comes to the aid of Kate and Brandon - a snowstorm...