A deadly and mysterious master of the occult travels across feudal Japan, seeking malevolent spirits called Mononoke to slay. He must uncover their Form, Truth, and Reason to wield the mighty Exorcism Sword against them.

Movie sequel of the anime Mononoke (2007). The Medicine Seller is a deadly and mysterious master of the occult who travels across feudal Japan in search of malevolent spirits called Mononoke to slay. To do so, he must first learn its Form, its Truth, and its Reason in order to wield the mighty Exorcism Sword and fight against it.