A group of young individuals with different backgrounds come together at a pension located in Jeju. They rediscover their love and friendship through the mystery of "Sound Candy."
Chae Rin now has to take care of the cottage all by herself as her grandmother passed away. Seung Yeon and Hae Sung have a heart-to-heart for the first time in a long time. Seung Yeon tells the CEO that the N.CODE members want to make a debut with the song he wrote. N.CODE's debut date is set.