Some bonds can never be broken. Allie St. Clair doesn't fit in at New Scotland Yard. Hailing from a background of conspicuous wealth and privilege, she is Cambridge-educated and has just been fast-tracked to be the youngest woman ever to be promoted to Acting Detective Chief Inspector at the Metropolitan Police. But she soon learns that she has far greater responsibilities. Two sickening murders in London's wealthy suburbs set Allie St Clair and her young Murder Investigation Team at odds- and only Allie knows the true nature of the evil behind the murders. Ancient family connections to The Archangel Michael are revealed which pit her against the satanic Mr Black. London's underworld figures become involved and one of Allie's team is placed in mortal danger. A desperate flight culminating in mass violence at music festival tests Allie and threatens the lives of colleagues, family members and The Archangel himself. DCI Allie St Clair must now make a choice-a future in law enforcement or as a warrior in 'The Game Without End'...or is there a compromise?