The male protagonist Huo Yanchen is the eldest son of the Huo Group in Hong Kong City. He encounters time and space chaos and switches with himself 20 years later.
The heroine Sang Wan is the hero's childhood sweetheart and the daughter of a wealthy businessman in Hong Kong.
Before the male protagonist swapped with himself 20 years later, he and the female protagonist were lovers. Due to a misunderstanding, the two broke up. The female protagonist Sang Wan went abroad in anger and disappeared for 20 years.
