Seung Jun works as a wedding host and singer. But he is blighted by a range of harrowing issues. He feels like his job is leading him nowhere and has lost his enthusiasm for working. He has also lost his faith in romance, despite the fact that he is surrounded by young couples whenever he performs at a wedding. Meanwhile, Jae Hyun is a pianist. An acquaintance one day lets him know about an opportunity to work as a wedding accompanist alongside Seung Jun. He initially has no intention of taking the job. However, when he sees Seung Jun, he falls for the wedding singer straight away. He takes the job, hoping that it will bring him and Seung Jun together. But while the singer can feel Jae Hyun is interested in him, he is hesitant about letting anyone get close to him. As their paths cross again and again at new wedding ceremonies, Cupid threatens to bring them together. Will they give in to the pull of romance?

After the sudden death of his older brother, who loved jazz, Han Tae-yi loses his passion for music and wanders for a long time. Yoon Se-hun, a transfer student, appears and gets on Tae-yi's nerves by playing jazz songs his brother liked in the school practice room. Although Se-hun is a classical music major, he secretly admires jazz. Se-hun and Tae-yi often argue over using the practice room, where they learn more about each other, and the relationship gets more complicated...