Su Zhengde, a middle-aged policeman who has no hope of promotion, eavesdropped on insider news of professional baseball signing and gambling in his duty. He wanted to raise money to send his daughter to study abroad, and he struggled between love and morality. Ada, a fat little brother who lives opposite Zhengde's house, plays baseball in order to become the real man in his mother's mind, but his real dream is to be a dancer. In order to realize his dream, Ada goes hungry and saves money to participate in dance competitions, hiding from her fierce and strict mother. On this day, Zhengde hesitated whether to give up morality and go all out? Ada is still waiting for her mother to understand how he wants to dance! The dreams of two generations, the middle-aged Zhengde and the young Ada, are waiting for the opportunity on the sunny autumn afternoon...