There's no such thing as a perfect crime. Sean Duffy knows this. He's back at work and ready for the avalanche of horrors that awaits him, beginning with a torso in a suitcase, dumped in an abandoned factory. Fully fit after the severe trauma of his last investigation, Duffy is ready to follow the trail of blood - however faint - that always, always connects a body to its killer.
From an international businessman to a beautiful young widow, ancient police notes to ambassador's records, country lanes to city streets, Duffy works every angle. And wherever he goes, he smells a rat ...