One hundred days before the university entrance exams, Chang Ke Ai and Yang Zi Hao made a bet in high school. If they are admitted to the same university, she will carry his schoolbag for an entire year! Unexpectedly she had to give up her dreams of university to pay off a family debt. Ten years later, they are just across the street, but in two different worlds. Yang Zi Hao is an executive vice president of "Gorgeous Department Store", while Chang Ke Ai is a street vendor who helps her mother sell clothes at a market. When they meet again, will they remember the bet from ten years ago?