Husband, Be A Gentleman summary: Pei Jin is a black bellied prince. To outsiders he is a kind gentleman and always calm. Yan Shi Ning is a wolf in sheep’s clothing. To outsiders she is a gentle bred young lady and always docile. Pei Jin and Yan Shi Ning are the perfect couple but behind closed doors&h.e.l.lip; Pei Jin: Wife, you’re an expert liar. Yan Shi Ning: Husband, it’s because you taught me well.