In the play, Li Muzi tells Zhang Changgong that she has cancer. Zhang Changgong was shocked and hugged her tightly, constantly comforting her. He suspected that the hospital had made a mistake, and Zhang Changgong apologized to her. Li Muzi wanted to go home, and Zhang Changgong promised to let their mother and son leave the hospital on the spot.
Zhang Longgong remembered the hard and wonderful days when he first fell in love with Li Muzi. Li Muzi would rather suffer with Zhang Longgong than willingly. Zhang Longgong felt wronged when he remembered it, but now he has made her suffer this great sin. The more he thought about it, the more sad he became, and he couldn't help sobbing in a low voice.
The next day, Li Muzi went in for surgery, and Zhang Longgong waited outside. Han Dong came to accompany him. F not trust, also came to the front of the operating room to wait. The doctor came out and told Zhang Longgong that Li Muzi's tumor was benign. Zhang Longgong's hanging heart suddenly fell to the ground and he couldn't help crying.