Fall In Love (2011)

Original title: 一不小心爱上你

Qin Qing who lived in a wealthy family until she was 12, when she learned that she and another poor girl Mi Li were switched at birth. Ever-since their lives totally change as both family agree to switch back the two girls rightful identity. Qin Qing and her former brother Qin Lang had a close relationship, both unable to forget each other even after 10 years. Eventually after 10 years of separation Qin Lang return to find Qin Qing whom both fell in love.