After marrying the honest and simple Zhao Yong, the young and beautiful Su Li remains unsatisfied for a long time, with a dull and boring sex life. Her husband Zhao Yong is busy with work and often travels on business, leaving Su Li alone at home. Taking the opportunity, her father-in-law approaches his daughter-in-law under the guise of "teaching self-defense skills." From hands-on teaching in the living room to intense "practical exercises" in the bathroom and bedroom, the father-in-law uses
