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. In the times they spend together, they gradually come to feel each other's love.