Qiao Sisi, the sister of Qiao Lin, the president of Qiao Corporation, died unexpectedly. His wife Bai Chen was listed as a suspect and tortured by Qiao Lin. Bai Chen could not stand Qiao Lin's false accusations and chose to leave him. When she was most helpless, Xia Zhihang appeared beside her like a ray of dawn in the cold winter, taking care of her and helping her meticulously, making her feel warm. Xia Zhihang and Qiao Sisi were lovers. He believed that Bai Chen would not be the murderer who killed Qiao Sisi. The two worked together to investigate the murderer. At the same time, Bai Chen's sister Bai Yu liked Qiao Lin and had been secretly removing the obstacles between her and Qiao Lin...