A series of suspicious deaths has rocked Hull, a port city in England. Detective Sergeant Aector McAvoy is sure there is a connection between these crimes, but his fellow officers would rather get a quick arrest than find the true killer. So McAvoy decides to strike out alone --- but in the depths of the dark winter, on the hunt for a murderer, it’s difficult to forget what happened the last time he found himself on the wrong side of a killer’s blade.