Far from the shogun's court at Edo, Most Honourable Investigator Sano Ichiro begins the most challenging case of his career. Upon the insistence of his strong-willed and beautiful wife Reiko, Sano arrives with her at the emperor's palace to unmask the murderer – who possesses the secret of kiai, "the spirit cry," a powerful scream that can kill instantly. A high Kyoto offical is the victim. Tre...