Dreamie, the latest large-scale female idol group launched by Korean star-making company Star Light, has attracted attention from all parties since its debut. However, the popularity of the only foreigner, Hong Kong girl Sonia, is sluggish. Sonia, who was tough backstage, was hated by captain Lin Shixuan for squeezing out her friend's chance to debut. However, the two were assigned to the same dormitory as roommates, and a good show was about to begin.