Xia Zhiyu, who has a beautiful singing voice, although she did not win the first place in the singing competition, she unexpectedly joined the group and got a chance to debut. In the entertainment industry, which is a mixed place, superstar Jason defends her and helps her everywhere. Why did they, who were considered the golden couple by everyone, break up unexpectedly... Why did Xin Yao's efforts to stay lead to Zhi Yu's ruthless rejection? During the period of the cold war between the two, why did Jason's friend, the famous idol comedian Watson, confess his love to Zhiyu... What decision will Zhiyu make when he is invited to develop by a Korean company...