In that era of upside-down black and white, some people kept silent and kept themselves out of trouble, while others framed others in order to protect themselves. What about conscience and soul? They have all become things in the toilet and dirt under the feet. Song Zitang (played by Zhao Jun), the director of the Oriental Machinery Factory, exposed the senior engineer Tang Xianmin (played by Niu Piao) and reduced him to a coal burner. As a result, the two families formed an indissoluble feud. After the reform and opening up, the hatred of the older generation has not been resolved, and the younger generation has developed new feelings. Tang Xiaoyu (played by Zeng Li), a flower in the song and dance troupe, and Song Changqing (played by Feng Lei) know each other and fall in love, but the attitudes of the two elders have become an insurmountable mountain. The ignorant sister and brother Tang Xiaoxue (played by Li Xiaoran) and Song Jianguo (played by Zhu Yawen) are even more in collusion to separate the two. It is difficult for lovers to become a couple, and unexpected love inadvertently breeds...