One or two serial killers, thinks the authorities, are on the loose in the cities of Laval and Montreal. The Quebec Provincial Police sends the inspector Ricardo Marconi to assist the investigators Paul Malloy and Mark Turbide of the Montreal police Department. The body count quickly rises, as the murderers prove more difficult to capture than the three colleagues anticipated. Marconi will not give up, but the price to pay for apprehending those bloodthirsty killers will be extremely high. Learn more by turning the pages of this terrifying novel, filled with unexpected twists.