Masuda Toshio film starring Watari Tetsuya and Mori Masayuki, about a lone-wolf type (Watari) seeking love and defending the honor of an elderly widower (Mori).

A young female samurai comes upon a dying messenger and agrees to deliver the scroll he was carrying to its destination. However, unbeknownst to her, the scroll is actually a formula for a new kind of gunpowder. An evil clan that is planning to overthrow the Emperor is also after the scroll, and they try to take it from her.