A piercing scream, shattering the evening calm, brings Superintendent Adam Dalgliesh hurrying from his literary party to the nearby Steen Psychiatric Clinic, where he discovers the body of a woman sprawled on the basement floor, a chisel thrust through her heart.

A piercing scream, shattering the evening calm, brings Superintendent Adam Dalgliesh hurrying from his literary party to the nearby Steen Psychiatric Clinic, where he discovers the body of a woman sprawled on the basement floor, a chisel thrust through her heart.