The Concubine's Tattoo

After Sano traces the cause of Lady Harume's death to a self-inflicted tattoo, he must travel into the cloistered, forbidden world of the shogun's women to untangle the complicated web of Harume's lovers, rivals, and troubled past, and identify her killer.

To make matters worse, Reiko, his beautiful young bride, reveals herself to be not a traditional, obedient wife, but instead, a headstrong, intelligent, aspiring detective bent on helping Sano with his new case. Sano is horrified at her unladylike behavior, and the resulting sparks make their budding love as exciting as they mystery surrounding Lady Harume's death.

Amid the heightened tensions and political machinations of feudal Japan. Sano faces a daunting complex investigation.