"Face belief" in Chinese society may play a role in intimate partner femicide. However, a fair understanding of its mechanics is lacking. To clarify this, we focused on a perpetrator of Situational Couple Violence (SCV) as research target. We followed constructivism and adopted a narrative method to collect and analyze data. A male perpetrator of homicide with stable mental personality and without any previous criminal record other than this homicide was interviewed seven times. The results were presented in 3 stages of life themes related to the homicide: "pursuit of 'achievement face' and protecting one's 'sexual face' before exposure of infidelity", "face collapse leading to the femicide" and "the rise in expectations for reinstating face". With regard to the above 3 perspectives, the narrative analysis of the interviewee's life shows that Chinese face is planted in his core self-identity. Yet, when his wife committed infidelity to avenge the interviewee's extra-marital affairs, his "sexual moral face" was seriously hurt. However, for the sake of their children's welfare, he maintained their marriage, which resulted in continual loss of face due to his wife's infidelity. At the end, a terrible conflict in public caused the collapse of not only his "personal face" but also his "family face", and finally resulted in the femicide. Although intimate partner femicide is a complex phenomenon which involves other conditions running parallel, Chinese face was one of the important factors in the interviewee's homicide action.