Five years ago, Shen Wanwan had a one-night encounter with Lu Jingchen, the business tycoon of Shanghai, then left town with a secret. Five years later, she returned to China with her five-year-old son, Lu Xiaonian, who was the spitting image of Lu Jingchen. The two unexpectedly crossed paths at the airport. Lu Jingchen recognized the mini version of himself at a glance, and thus began his carefully planned quest to win back his wife and claim his son.