Yoon Hee's daughter dreams to be a classical singer. Despite her mom's disapproval, she's a feisty middle school student who pursues singing.
h flashes back to her memories and after a long time she meets Cheon, then she is confronted with the fact that she won the Cheung-a prize for the most beautiful vocal of a vocal.
Oh obtains a sum of money from Cho in return for his secret affair, and bribes the school principal in order to send her daughter back to school. Oh finds a music teacher to train her daughter, Ro Na.
All of Hera Club's middle schoolers aim to top the entrance audition to Cheong Ah Arts High School so does Ro Na, Yoon Hee's daughter. The big day arrives, but a surprising name tops the list of successful applicants. It's an unheard girl named Min Seol A.
Rona Bae confronts Cheon about the fact that she faked her admission results at Cheung-A's school in favor of her daughter.
(Anna Lee) was killed under mysterious circumstances in the (Hera Palace) penthouse, and an attempt was made to dispose of her body.
Sori Yeon discovers the true cause of her daughter's death (Anna Lee) after the autopsy results come out.
Surrey Yoon discovers the truth about her husband's betrayal, and later learns of the joint crime of killing Anna Lynn, so she begins planning revenge.
Su Ryeon visits Congressman Cho to reveal the truth behind the countless orphans who were adopted but deported back.
New evidence is found in the joint crime case and it's Lee's watch. Meanwhile, Su-ryun's plan is in jeopardy.
Cheon bans Rona Bae from performing on stage because she caused a traffic accident. Later, Chee-eum decides to reopen the Cheong-Ae Arts and Dance Festival.
So-ryun returns to work as a manager at her mother's company, Oh becomes a high-class person after the announcement of the Bosung construction project.
Ro Na-bae finds out the truth about her mother's past and what happened with her at Cheong-A Art School.
Jo suspects that someone is spying on him, and Soo-ryun and Oh team up to take revenge on Jo and steal his money.
Yoon Hee moves into Hera Palace and the whole Hera Club is astonished. More surprisingly, it was Joo Dan Tae who wrote a recommendation letter.
A big argument arises about Oh moving to Hera Palace, so Chi Oun tries to stop her. Oh tries to get close to Lee in order to achieve her interests.
Ha finds out about Che Yun cheating on him with Jun. Si Yuk Hoon helps Ro Navi at the school to get rid of the smoking charge.
Ho Dong-gu returns to avenge his sister's death, meanwhile, Ha confronts Chi-yeon about her betrayal.
After Seok-hun and Seok-kung win the Cheung-A School Ambassador Award. Exam question leakage scandal spreads in school.
Jo defrauds Oh of all her money, while Logan confronts Lee Sor Yeon about the truth about her daughter, Anna Lee, and gives her ten days to confess.
(Oh) starts working for (Joe) in agreement with (Sori Yun). Oh and Logan are invited by the residents of Hera Palace to a big party at the mansion.
While Suri Yeon exposes the affair between her husband and Chee Yeon, Logan Lee forces her to tell everyone about her real daughter.
Due to Eun Byul's pressures, Ro Na decides to drop out of her school, and later Ha decides to divorce Chae Yeon.
As Chi-yeon takes over the position of headmaster of Cheung-er School, Jo's suspicions of Ho-gu change
Seo Jin covers up her father’s death as an acute heart attack and acts as if she had nothing to do with it. After the funeral, she secures her position as the new director of the Cheong A Arts Foundation
Su Ryeon confesses how she’s been using Yoon Hee to reveal the truth behind Seol A’s wrongful death.
While Rona Bae goes back to school, Eun Byul learns the truth about her mother cheating on her father.
So Ryun runs away from home and takes refuge in Logan Lee's house, meanwhile, she is betrayed by an unexpected person.
Oh tries to convince Jo to kill Soo Ryun, while Logan and Soo Ryun organize a party to invite all the suspects in Anna Lee's murder.
After So-ryun confronts Oh about killing her daughter, Anna Lee, she is kidnapped by Go, but someone comes to her rescue just in time.
Dan Tae is sued for embezzlement and finds out it was Logan Lee who reported him.
Seo Jin and Yoon Hee both beg Su Ryeon to stop now. They can’t bear seeing their daughters suffer from their wrongdoings
Yoon Hee admits to killing Su Ryeon at the police station, but there’s actually a real culprit behind Su Ryeon’s murder.