A Dong is a woman who came to work in town A. She met and fell in love with the Confucian businessman Liu Bin by chance, and developed into a lover's relationship. However, Liu Bin and his married wife Zhou Lan had an unknown love-hate entanglement. Liu Bin was torn between the emotions of the two women. A Dong was weak and kind, and Zhou Lan was gentle and sensible. Where will the three of them's emotions eventually go?