Xia Huanhuan, a workaholic who was single since birth, was promoted as an artist, and unexpectedly became a member of the work team of traffic niche Chang Shuo. Under the dual crisis of work pressure and attacks from fans, Xia Huanhuan's continuous explosion of small universe allowed Chang Shuo to discover her "interesting soul" over time. But scandals, media, fans, agents and even family members have become the "nine-nine-eighty-one difficulties" for Chang Shuo and Xia Huanhuan to learn from each other. In the process of mutual testing, ambiguity, and self-growth, the two gradually formed a code and tacit understanding that only belongs to two people, that is, "a secret that only belongs to us"...