It tells the story of childhood sweethearts He Yangguang (played by Mu Ziyang) and Luo Xingxing (played by Wu Xingjian) growing up with each other in the process of pursuing their dreams together. In the play, He Yangguang and Luo Xingxing, who grew up together, were influenced by their family and agreed to inherit the lion dance culture as a common ideal. Later, the two lost contact because the He family moved abroad. Many years later, in order to fulfill the childhood promise, He Yangguang returned to China as an international student to start a business. At this time, Xingxing, who had changed his name, was full of hostility towards the childhood sweetheart who fell from the sky. In order to ease the relationship, He Yangguang approached Xingxing on the grounds of creating the "Little Lion" brand, and a story about the mutual healing of teenagers unfolded.