Following a family tragedy, Shangguan Chuxia loses her memory and gets adopted. Her new name is Feng Dongdong. A chance encounter with Yun Su leads to a surprising revelation about her origin and past. In order to get to the bottom of what happened, she transforms herself into a hot maid managing the Shangguan family. She also joins hands with her contract fiancé, Yun Su, in an attempt to bring the culprit to justice.