Tobias Halson is a young man on a mission, he is a vampire hunter and a good one at that and he is also a contractor for the Philadelphia Police Department, it is a way to make ends meet and get paid to do so, especially when he has to pay for his business premises and his secretary. He tends to spend his nights chasing vampires and monsters and his days asleep either at his office, or at home, recovering from the injuries which the undead can inflict on a lowly human, but it doesn't stop him from fighting with an impressive array of weapons, some of them of his own design. One day, he is recovering from one such nocturnal hunt when he is called to a crime scene in the wealthiest district of Philadelphia and to what appears to be a vampire attack followed by being thrown through a top floor window of an office block, however, when he begins to investigate, he gets the feeling that something isn't right, there are some pieces of the puzzle which point towards a vampire, but there are other elements which don't. As he digs deeper, Tobias realises that he is delving deep into the world of local politics, not to mention that he is not the only one in the web, another young woman is drawn in, but in a world of water coolers, gossip and seemingly unaffected coworkers, can Tobias figure out the who and the why before it is too late? This is a mystery where shadows are alive and the things which go bump in the night are more than real, as a race against time begins to discover exactly which creature is the culprit.