In the freezing winter of 2010, with the Irish recession in full flow, property tycoon Dermot Brennan is found dead at his Dublin home. Leading the murder investigation is fifty-six-year-old Detective Inspector Leo Woods, an embittered former UN peacekeeper with a drug habit, a penchant for collecting masks and a face disfigured by Bell's Palsy. DI Woods meets his match in Detective Sergeant Helen Troy, a bright and ambitious but impetuous young policewoman with a troubled family. A host of suspects quickly emerge - Brennan's estranged son; two of the dead man's former business associates...