Chang Qing, a commoner girl, was named "Ms. March" because each relationship could not last more than three months. After she proposed to break up with her new boyfriend Zhao Ji but was rejected, she met a strange man in white who revealed the secret she had hidden for many years at a glance and gave her a fragrant handkerchief.
Since then, Chang Qing has been plagued by nightmares that make him unbearable. On the Chinese Valentine's Day, Zhao Ji made an appointment with Chang Qing to visit the World Expo. In the China Pavilion, she saw the mysterious man again, and he actually appeared in "Along the River During Qingming Festival". When Chang Qing wanted to ask him, he pulled Chang Qing into the picture and took her to the Northern Song Dynasty a thousand years ago. . . . . .
Once you step into the painting, you will dream back thousands of years. What kind of secrets is hidden in Chang Qing's body, and what will she find and discover in the Northern Song Dynasty? What is the identity of this mysterious man?