Love Is Not Something That Can Be Settled

Nan Yichen, a high school student who was deceived by the news that his mother was seriously ill, went to the countryside. In the countryside, he was suddenly introduced to a girl who was "your sister" Yixing. Yichen desperately took care of his troubled son, Yixing, who refused to listen to anyone. When Yixing finally started to get close to him, a tragedy happened to Yichen. Six years later, what kind of life will Yichen and the others face after meeting the grown-up Yixing again?