A car accident destroyed all Gu Xin's happiness, her family was destroyed, and her seriously ill brother was dying... For the sake of her broken family, she sold her body and became the lover of Bingshan Boss. When his engagement was approaching, she was treated as a mistress and forced to get involved in this competition of love and conspiracy, but he always protected her. Why do childhood sweethearts turn against each other and sweet horses cannot become lovers? In this gorgeous drama, who is the protagonist? In the depths of waiting, the winter flowers have not yet fallen asleep.