After receiving the sudden news of her husband, a famous martial artist, Kyoko, the wife, is overcome with grief. Alone, it's difficult for her to manage the dojo, and she has to let her students go... During his life, they endured severe corporal punishment under the guise of "affection." Now, without a target for their anger, they are lost. However, at the suggestion of the top student, Sasaki, they plot to settle old grudges through Kyoko's remaining physical strength. Unaware of this, Kyoko welcomes her students into her home...
