In a picturesque town, the Li family and the Xiong family who are very close neighbors gave birth on the same day. Xiong Qi Wi's first words were not "mom" or dad" but her dad's catchphrase of "Something bad has happened." As the two kids grow up, their personalities develop. Xiong Qi Qi is a huge slacker who's happy to achieve nothing in life while Li Yi He is a strict and disciplined perfectionist.