When fiction becomes reality, you need to watch your back. Returning to the San Francisco Police Department, Mason black has his hands full with a new kind of serial killer. Bodies are being discovered in the style of a popular book series, and only Drew Ackerman – the author of the novels – can assist in the killer’s capture. But Mason is otherwise occupied. With a baby on the way, and his girlfriend making him choose between his career and the child, his morals become clouded. He realises a sad truth… sometimes, doing the right thing comes at a cost.