In the film, A Xin's father died when he was very young, and then he lived alone with his younger brother and mother and opened a fruit shop. However, A Xin loved gymnastics. He studied hard and practiced hard, from which there were many setbacks and opposition from his family. After that, he abandoned himself and went astray, and met a gang of underworld. After the death of his good friend Caiyuan due to the underworld, A Xin woke up, went back to study hard, got rid of many bad habits, and finally really succeeded! An inspirational saying, "Stand on your head when you want to cry"-A Xin.