the 1930s, the old ccc。 gu manzhen (played by ruby lin) is elegant and quiet. she takes care of her mother at home and works independently outside. her love with her colleague shen shijun (played by tan yaowen) is just beginning. manzhen has a sister manlu (played by jiang qinqin). she came out to be a dancer at the age of 17 to support her family. later, she gave up her first love and married zhu hongcai, who is rich and powerful, and can make her family live a prosperous life. zhu hongcai is not a safe person, and she still spends money and drinks after marriage. manlu's beauty is no longer old, and her mentality becomes strange. manzhen and shijun's love did not go smoothly. although they were sure of each other's feelings, they were opposed by shijun's mother. she also hoped that her son would marry cuizhi, a famous socialite in nanjing. but she didn't know that cuizhi actually had something else in her heart. manzhen and shijun suffer a lot, and with constant temptations, misunderstandings between the two gradually arise. in order to keep her husband's heart, manlu came up with a vicious way to compensate her sister for her lifelong happiness.