Secrets crimes in Ooku: The Inner Chambers

During the reign of Shogun Ienari Tokugawa, heir Takechiyo is found murdered with aconite-coated needles. A missing needle belonging to a palace lady raises suspicion, but she claims innocence.

Murderer!

A cowardly samurai is sent as an official executioner targeting the clan's former sword instructor, a man whose sword and spear skills are second to none.