After the death of her extremely controlling husband, retired teacher Fang Huilan learned that all the property had been left to her illegitimate son, and she and her daughter only had the right to live in the old house. Her daughter Chen Nian resisted angrily, but Fang Huilan was unusually calm and obedient. As a result, mother and daughter broke up, and Chen Nian left home for three years. His mother was seriously ill, and when Chen Nian was raising money, he accidentally discovered the shocking plan that his mother had endured for thirty-six years.