The street dance team led by Ah Xing lost to Bian Er in the City Street Dance Challenge. Since then, Ah Xing has been in a state of decline, indulging in alcohol every day. Even his beloved girl Long Er looks down on Ah Xing who has been in a state of decline. Qi Er WangUnable to bear to see Ah Xing's decadent appearance, he urged him to regroup and retrieve his former team members, reorganize the street dance alliance, and issue a battle order to Bian'er. Due to being blinded by profit and money, Bian Er sent relativesSister Longer rehearses dance steps as an undercover agent stealing Ah Xing. Long Er knew his brother's intentions, so he secretly recorded a conversation with him. On the day of the competition, Long Er released a recorded conversation with her brother on site,And inform everyone on site of their actions, and inform the dancers that dancing is to reflect personal social values, to maintain a shared circle of love, and to be free, equal, just, and honestHarmonious and friendly, do not engage in deceit for personal gain. The film aims to call on everyone to learn fair competition and not take the wrong path.