Blood Trail in the Rain In the dark alleys of Cologne, private investigator Marek Witte hunts down a brutal murder that hides far more than it seems at first glance. When he connects the prostitute whose death haunts him with the underworld and dangerous secrets, he must fight powerful enemies who will stop at nothing to protect their dark dealings. Together with the seductive bee, who knows more than she lets on, Marek is drawn into a web of betrayal, violence and passion. Every step they take takes them deeper into the shadows of Cologne, where nothing is as it seems. "Blood Trail in the Rain" is a gripping crime thriller full of dirty secrets, dangerous love affairs and a hunt in which life is the only currency.