Mo Fei's mother was a beautiful, graceful elementary school music teacher. Her romance with Qu Yichuan brought her into conflict with his girlfriend, but unexpectedly, the two women began an ambiguous relationship. Unable to bear it, Mo Fei's mother jumped to her death. After she died, Mo Fei went to live with Qu Yichuan. During her childhood, Yichuan's adopted son, Qu Qu, cared for her and helped her endure her bleak upbringing. A few years later, Qu Qu went to America with his birth parents. As Mo Fei endured the lonely years of adolescence, waiting for Qu Qu to return, Yichuan gave her great comfort, and the two became entangled in intense conflict…