Chae Rin, who has dreamed of being a painter, comes back to Jeju Island, where her grandmother lives and runs rental cottages after failing to achieve her dream in Seoul. A bunch of boys who are training to make a debut as a boy band stay in her grandmother's cottage named Sobaksobak Cottage.

Chae Rin is a big fan of Kang Hae Sung's, a singer. One day, she gets a call that her grandma is in the hospital and passes out on the street. Hae Sung decides to stay at Chae Rin's cottage, and Chae Rin tells Hae Sung about her illness. At the cottage, Hae Sung meets the N.CODE members, who are training hard to make a debut.

Seung Yeon still struggles with the new song he is working on and believes that Hae Sung has betrayed him by stealing his song. Hyun Jun has an interview with the press. Seung Yeon happens to try Chae Rin's candy and hears a song. Ga Hee falls in love with a member of N.CODE who is from California.

Hae Sung does not believe that Hyun Jun thinks of Chae Rin as a just friend. Chae Rin offers Seung Yeon to complete ten chores at the cottage to get a sound candy, and Seung Yeon accepts it. Hae Sung starts to work at a vegetable field that belongs to Hyun Jun. Ga Hee finds out that Hae Sung is staying at Chae Rin's cottage.

Chae Rin and Hyun Jun look for Chae Rin's grandmother as she has gone missing. Seung Yeon now has only one chore left to do out of ten, so he asks Chae Rin to let him work at Hyun Jun's carrot field. Chae Rin still believes the one who left bad reviews about her cottage is Seung Yeon. They all go to the beach to have some fun.