Black Card Abuse and My Husband's Betrayal

On Valentine's Day, Shen Jingyi returns early from an overseas business trip to surprise her husband, Lu Chengzhou. However, when she visits a jewelry store to pick up the gift, she discovers Lin Waner is carelessly spending her own black card. Lin Waner spots Shen Jingyi's custom watch and tries to snatch it. During the struggle, Shen Jingyi unexpectedly finds out that her husband is cheating on her. After Lin Waner smashes the watch and cannot afford compensation, she forces Lu Chengzhou to cover the costs. To truly understand Lu Chengzhou, Shen Jingyi temporarily hides and asks her best friend, Chen Yuqing, to gather information.