When the body of a theology student is found on a desolate stretch of East Anglian coast, his wealthy father demands that Scotland Yard should re-examine the verdict of accidental death. Commander Adam Dalgliesh agrees to visit the young man's theological college, St Anselm's — a place he knew as a boy — expecting a nostalgic return to old haunts and a straightforward examination of the evidence. Instead he finds himself embroiled in intrigue, conflict and dangerous secrets as the college is torn apart by a sacreligious and horrifying murder.