Ren is unsatisfied with her lackluster sex life with her husband and grows increasingly frustrated each day. One day, she hosts a dinner party for her husband's boss, the department chief. The chief carries himself with gentle yet firm confidence, and Ren gradually finds herself drawn to his presence and well-toned physique. The next day, the chief visits again, claiming he forgot his notebook. As they talk, their emotions deepen, and eventually, they cross the line into a passionate affair.