"The ravens are coming for you. They're going to tear your eyes out..."

Andy's recurring nightmares aren't going to stop him going on anadvanced canoeing course at creepy Greystone Grange. Even when Jack,the obnoxious trainee instructor, starts sniffing around Kate like theravens that circle menacingly overhead, Andy is determined to provehimself both in and out of the river. But events turn sinister as theRaven Rapids prove treacherous, a mad axeman is on the loose, and Jackseems to have it in for him...