Unnatural Justice by Quintin Jardine
Oz Blackstone is enjoying the success of his latest smash hit movie. He's moving into a big country house with his gorgeous wife and they have the lifestyle of everyone's dreams. But when blackmailers threaten Oz's father with a particularly sleazy scam, the dream begins to turn into a nightmare. Some very nasty people will resort to murder to get what they want and as Oz prepares to fight back he knows he's being sucked into a vortex of evil...