After a car accident, Shen Hanxing discovered that her lover He Chen had been impersonated by her twin brother He Can. In order to find out the truth, she approached He Can again under the pretense of being engaged to He Chen's uncle Zhong Sihuai. With the deepening of the investigation, just when the relationship between the two fell into ambiguity, Shen Hanxing gradually discovered that the person he was getting along with day and night seemed to be the real He Shen himself!