When Xia Wanning was a child, she had a happy family, but after her grandmother, Feng Lijun, accidentally lost her, she was kidnapped by human traffickers and met the young Gu Chuan. Tragically, her parents died in a car accident while searching for her, leaving Xia Wanning to depend on her grandmother. This loss made her introverted and timid. Years later, Xia Wanning works at Huayu Group and faces difficulties at work, only to cross paths with the CEO, Gu Chuan. In a misunderstanding, Feng Lijun believes her granddaughter is being mistreated and angrily strikes Gu Chuan. Feeling even more wronged, Xia Wanning has a heated argument with her grandmother in the pouring rain. In a fit of emotion, Feng Lijun slaps her, and a devastated Xia Wanning leaves. At that moment, a car comes speeding toward them, and Feng Lijun urgently pulls her back. Amidst a thunderstorm, their souls mysteriously swap, setting off a series of unexpected events.