After a sudden accident, Lu Zaozao finds herself transported into the Republican era as Su Muwan, the young mistress of a wealthy family. She awakens to a husband pointing a gun at her, her parents framed for a crime, and a series of poisonings. Fighting her way through one crisis after another, she goes from mortal enemies to falling deeply in love with the "jealous" Ling Shenxing. But just as their romance blossoms, she suddenly wakes up in the modern world—only to encounter a familiar face around the corner.