The most poignant story in the world is that of children who grow up in single-parent families.
In the thousand-year-old ancient city of Xi'an in China, Tan Zimu and Tan Zifeng originally had a happy family, but it was shattered overnight because of their father's betrayal and mother's remarriage.
The elder brother Tan Zifeng followed his mother to a new family, and under the arrangement of his stepfather, the family immigrated to Australia; the younger sister Tan Zimu was sentenced to be raised by her father. However, due to his mother's remarriage, his father Tan Yaoming, who has become depressed and addicted to alcohol, often drinks day and night and often beats Tan Zimu.
Finally one day a year later, Tan Zimu, who was afraid to go home because he was kicked and kicked by his father, wandered the streets alone with his schoolbag on his back. It was getting dark and she didn't dare to go home. The head teacher, Teacher Xia, picked up her five-year-old son from school and met her on the way home and sent her home.
At the door of the house, his father was holding a wine bottle in one hand and turning a wooden stick with the other, waiting for Tan Zimu's return. No matter how Teacher Xia tried to stop him, Tan Yaoming kept attacking Tan Zimu with sticks. Finally, Tan Zimu, who was jumping up and down, was chased by his father and ran towards the middle of the street. There was only a shocking horn sound and a dull impact. Tan Zimu turned around and saw that his former vicious father was already lying in a pool of blood with his hands and feet...