Bing Ling and her adoptive mother's son Xi Lie were childhood sweethearts. They entered an entertainment company together and became trainees. At the same time, she and Yi Ren, who is very talented in dancing but has a proud and eccentric personality, are incompatible. Accidents happen again and again between the three people. How will they affect the subtle emotions between them? What will be the ending of a love story that has always revolved around three people and started in childhood?