The first time Zhang Meng met Zou Ziqian dates back to 10 years ago, when Zou was only 12 years old and Zhang was already 18 years old. Zou called Zhang "elder sister" and Zhang took it grant to take care of Zou not only because she is elder than him, but also because of her mother's request. What kind of chemistry would occur when two of them became so close. What would Zou and Zhang react to that? If they really love each other, why did they separate and live in different place without contacting each other for years?