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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.
Hyun Jun warns Hae Sung not to play with Chae Rin's heart. Hae Sung asks Hyun Jun if he loves Chae Rin. This time, Ga Hee falls in love with Ji Ho, who takes good care of others and has a kind heart. Hae Sung and Chae Rin run into Hae Sung's obsessive fan on the street. The photos of Hae Sung in Jeju are widespread online.
With so many things that happened last night, Chae Rin feels confused. Hae Sung visits Hyun Jun and tells him how he honestly feels for Chae Rin. The company's CEO tells Hae Sung to come back to Seoul. Hae Sung's hardcore fans come to Chae Rin's cottage and take photos nonstop, making Chae Rin panic.
The CEO tells Seung Yeon to give the song he made to Hae Sung as his comeback song, and the members get infuriated to hear it. Hyun Jun asks Chae Rin out, but Chae Rin rejects him. Hae Sung goes back to Seoul and has an interview, where he says Chae Rin is just one of his fans, as the CEO told him.
Hyun Jun gives Chae Rin Hae Sung's number, and Chae Rin calls the number but hangs up without saying anything. N.CODE holds a showcase in the village. Seung Yeon flies to Seoul alone to talk to the CEO about N.CODE's debut. Hyun Jun tells Chea Rin that she should keep pursuing her dream.
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.
