[Back cover] 'An intriguing mashup of police procedural and golden age puzzle mystery' Guardian A woman is discovered strangled in the business district of Nihonbashi, Tokyo. Newly transferred Police Detective Kyoichiro Kaga has been assigned to the case. But the more he investigates, the greater number of potential suspects emerges. To prevent the killer from eluding justice, Kaga must unravel a multitude of secrets. Buried somewhere in the dead woman's past and in the last few days of her life is the clue that will lead to the answer. 'Clever and charming' Sunday Times From the international bestseller Keigo Higashino, author of The Devotion of Suspect X.