A former K-Pop idol trainee finds a new dream as an idol manager.
Starlight Entertainment's new idol group S.O.U.L successfully debuts. But things go away when a stage accident and revelations of plagiarism on their debut song puts them under heavy criticism. Eunsung who can see the future with her "visions" tries to prevent it but fails. Then 3 years later…
S.O.U.L's accidental disbandment announcement is met with indifference from the public. Director Kang orders S.O.U.L to participate in the company's Monthly Evaluation. Soo Yong who newly joined Starlight slowly learns about the world of K-pop from Eunsung.
Having seen Soo Yong and S.O.U.L's impromptu jamming at the recording room, Kang recommends Soo Yong and S.O.U.L to collaborate together for the upcoming Monthly Evaluation.
Soo Yong plays his original songs to S.O.U.L and Eunsung, but is met with indifference. By coincidence, Eunsung hears one of Kevin's songs for LJ's upcoming solo album, and realizes that the song will be a hit.
Eunsung is guilt-ridden from having convinced S.O.U.L to perform Kevin's song at the Monthly Evaluation to disastrous results. On top of this, S.O.U.L is forced to leave their current residence.
Soo Yong officially joins S.O.U.L, and Eunsung also officially become S.O.U.L's manager. To help S.O.U.L, who is still marked as a plagiarist group, Eunsung works her way through the industry network.
Eunsung's timely "vision" and courage causes Yong CP to step down from the network, and S.O.U.L gets a chance to appear in a new variety show. However, Soo Yong refuses to participate in the opportunity.
Soo Yong and Teo eventually end up participating in the show, and Eunsung works behind the scenes to help the two look their best. Her efforts seem to bear fruit when Soo Yong is paired up with superstar solo diva Haena Song.
S.O.U.L and Starlight get busy with preparation for their next album. One of Soo Yong's compositions is pitted against one of Kevin's songs as potential title song. Producer Bang asks Eun Sung to coach Soo Yong on basic of being in a variety show. A vision of a potential upcoming
The first broadcast of Do-re-mi-fa-SOLO-si do? is a success, and Soo Yong's name trends online. Eun Sung, having seen a vision of the Soo Yong and Hae Na kissing, is on high alert as she doesn't know when the incident will happen. Meanwhile she is overwhelmed by prep-work for the upcoming
Avoiding variety show schedules,Eun Sung follows Yun woo to his drama schedules and acting audition. Seeing Yun Woo's lack of confidence before the audition, Eun Sung tells him that his piano playing may be the key to getting the role.
Eun Sung is mortified after ruining Hae Na's prank for the variety show. On top of that, she is taken aback by Yun Woo's shocking comment. Tired from everything, Eun Sung tells Soo Yong to keep it professional, leading to an argument.
Yun Woo gets the part he auditioned for, and invites Eun Sung to see a musical. Meanwhile, Soo Yong presents a new remix to the company, leading to a title song dilmema within Starlight.
The title song is finally selected, and the single is released to the public. Everyone at Starlight pushes hard to get S.O.U.L.'s new release to the top of the charts.
Eun Sung is confused by an unexpected confession. S.O.U.L.'s single album cracks the top 100, but scores are worse than expected. While each member puts all their efforts to promote their album, things are still tough for S.O.U.L..
S.O.U.L.'s music climbs the charts. Along with the unexpected wave of attention comes a tightly packed schedule for all the members. Eun Sung is proud of them, but an event causes her to reevaluate her job as a Starlight manager.
