Someone has set fire to a cottage on the premises of the prestigious Black Lotus Temple in 1691, Japan, killing three sect members. Veteran samurai-detective Sano Ichiro, the Most Honourable Investigator of Events, Situations and People, is uncharacteristically quick to blame a delinquent orphan-girl found fleeing the scene. But his young wife, Reiko, has different ideas. After hearing rumours ...