The distinguished eldest young lady Lin Qiao'er and Gu Shichuan are archenemies who have been bickering for twenty years. At a banquet, a pair of fraternal twin babies from ten years in the future suddenly appears, stubbornly asserting that the two of them are their mom and dad. Tuan Tuan, the black-bellied baby, exposes Gu Shichuan's secret crush of many years, while the soft and cute Qiu Qiu clings tightly to Lin Qiao'er to provide crazy assists. Under the divine operations of the cute babies, the two stubborn adults step by step uncover the feelings they have hidden for years.