Piano ditches class to enter a singing competition with her childhood friends, Sun and Sol. Unfortunately, things don’t go as expected.

Piano and the twins must team up with other participants for the next round of the audition. Meanwhile, Sol gets an offer from an entertainment agency.

​​A surprise decision jeopardizes the team’s chances of qualifying for the next round. Piano tries to convince Sun to return home to his mother.

Sun learns a few harsh truths about his family from his mother. A life-changing incident makes Piano reconsider her future as a singer.

Piano runs into someone who strongly reminds her of Sun. Later, Nazzy invites a heartbroken Sol to her birthday party.

After returning home, Sol is caught by surprise when he finds Piano getting close to someone new. Eventually, he confesses a secret to Nazzy.

Anan holds a press conference to address leaked photos of Sol and Nazzy. Piano and Ray approach some familiar faces as they assemble a new band.

Sol faces difficulty shooting his film scenes with Nazzy. Piano and the band start practicing for the first time, but run into creative differences.

Unexpectedly, Sol warms up to Nazzy’s charm and constant attention. Typhoon returns to the rehearsal space only to find his supergroup disbanded.

After playing their first gig together, the members of Supernova slowly realize that a video of their performance went viral.

Piano learns the truth about Anan’s connection with her father in the past, pushing her to make a major decision with the band.

While Piano tries to overcome writer’s block to draft lyrics for the band, she hatches a plan to reclaim master tapes belonging to her father.

Thanks to help from Sol, Piano hits a breakthrough with her songwriting. Feeling jealous, Ray confides in Heenry to confront his feelings.

Piano struggles with her decision to take back her father’s master tapes just as Anan offers the band a chance to debut at a major concert.

Piano's actions bring dire consequences to the band, forcing the members to make vital decisions for the future of Supernova.

A decision from Sol affects his future with both Nazzy and Empire. Later, Sol struggles to confront his true feelings towards Piano.

Things get complicated after Sol confesses his feelings to Piano. Typhoon gathers the members of Supernova together and announces a secret mission.