Chae Nara dreams of becoming an Idol, more now than ever after the mysterious Jin and her parents express doubt that someone like her could ever be one.
Nara wants to make a friend, and now that her next mission is to make a duo performance she attempts to get closer to See-a after Hera finds a new partner.
There is a rumor going around saying a ghost is at Shining Star School, and in this time Nara gets to know her shy classmate Yena, who she tries to convince to join her and See-a in an Idol group.
For the next Performance, each unit must choose a Leader. What sounds like a simple task becomes difficult when the girls of Melody have trouble adjusting and determining who would be better suited.
A lot is at risk for both Hera and Nara after they discover Friday will be judging an upcoming mission to determine who makes an appearance on television.
Sonny, who has a crush on Jin is envious of Melody because they are much closer to Jin, so she tries to harass them by posting false pictures of them in the school newspaper.
