A clever and intricately plotted mystery by Keigo Higashino, one of Japan's most celebrated crime writers. The novel follows Detective Kyoichiro Kaga as he investigates a suspicious death in Tokyo that initially appears straightforward but gradually reveals layers of hidden motives, family secrets, and unexpected connections.

Known for his meticulous plotting and psychological insight, Higashino crafts a compelling mystery in which every clue matters and every character has something to hide. As Kaga unravels the truth, the novel explores themes of guilt, justice, memory, and human relationships.