Qiao Yan's father was arrested on suspicion of intentional homicide. Only Qiao Yan knew that this was a frame-up and conspiracy. In order to find out the truth and rescue her father, Qiao Yan agreed to a contract marriage with Jiang Shuyu. On the one hand, because the deceased Ji Jinglin was Jiang Shuyu's uncle, this identity made it easier for her to use Jiang Shuyu's power and identity to find out the truth. On the other hand, because Jiang Shuyu was Qiao Yan's first love. Five years ago, they separated because of a misunderstanding. Five years later, they came together because of their father's murder case.