[I hear a symphony] - Christmas Sequel. When Christmas came around, Sooyoung reunited with her two favorite students from the orchestra a few months back. This year will be more memorable when Sooyoung brings someone alongside her.

After much hesitation, Jung eun decides to step out of her comfort zone to seek help. Just as she thinks things are getting better, the sudden return of her husband makes everything go haywire. Can Jung eun handle this appropriately, or will she resort to doing the unthinkable? Furthermore, Jinsol starts questioning her moral conscience when she starts going against her professional ethics because of her developing feelings for a certain someone.

A horrific car crash forced the newlyweds to part ways with one another. Unable to deal with the heartache, one of them decided to buy an android to help cope with their broken heart. They slowly learned that they have to come to terms with reality and let go.

When imperfections start showing up in the mother's picture-perfect life, it becomes too much for her to handle. She chances upon a psychiatrist who is willing to help her come to terms with it. Although the journey isn't easy, she finds someone who embraces her imperfection and realizes that beauty is found in imperfections.

“You’re alive!” “Huh?” she frowns, “I love you?” Or The last thing Jung eun could remember is seeing an angel right in front of her before fainting in the swimming pool. When she wakes up in the hospital after losing consciousness. She sees the angel again and tells the angel that she loves her.

When an aspiring pianist, who is starting to lose hope in her chosen career path, meets a heartbroken well-known orchestra composer who recently fell from grace. The two of them come together to help each other and form an unexpected bond with each other.