The protagonist Ma Liu originally had a happy family, but a sudden parent-child appraisal led Ma Liu to accidentally learn that his son, whom he had high hopes for, may not be his own. In a fit of sadness and anger, he engaged in a fierce and intelligent "secret battle" with his wife Niu Yun. Unexpectedly, things often turn around. After all, Ma Liu's child is not biological,
The protagonist Ma Liu originally had a happy family, but a sudden parent-child appraisal led Ma Liu to accidentally learn that his son, whom he had high hopes for, may not be his own. In a fit of sadness and anger, he engaged in a fierce and intelligent "secret battle" with his wife Niu Yun. Unexpectedly, things often turn around. After all, Ma Liu's child is not biological,