Lucas is coasting towards retirement in a mundane Florida police precinct when a brutal serial killer, codenamed Mechanic, lands on his patch. Three years ago they thought Mechanic was dead. But Mechanic is very much alive and no family is safe from the savage, ritualistic murders that the sadistic killer is compelled to commit. Mechanic is always one step ahead and Lucas is forced to operate outside of the law. But who can he trust and who is Mechanic? Soon Lucas will learn that truth is more terrifying than he could ever imagine and in order to find the answers he needs, he might have to put his life on the line...