Su Tao, who traveled from time to time, got pregnant unexpectedly, and in order to protect herself, she lied about being the object of amnesia chief engineer Lu Chengzhou. The two gradually fell in love with each other, but encountered setbacks such as Zhou Manli's instigation and family opposition. Su Tao tried to escape with her cub many times. Five years later, Lu Chengzhou found Su Tao and his daughter Xingxing, solved the misunderstanding at that time, and confirmed that Xingxing was his child. After many tests, the two were finally recognized by their families and joined hands to form a complete family. In the context of the 1970s, they wrote a tender story that transcended deception and misunderstanding.