My lovely roommate, Ghost Diva

University student, Jun-gyeong has a dream to be successful musician, but it 's not easy. One day, He moved to the cheap studio where a female ghost, Yeon-Ji have been living .The ghost, who had a talent for singing, passed away 100 years ago at the age of 20. They start an awkward living with her. At first, He doesn't like her but they are getting closer through music. what 'll happen to them?

Jun-gyeong decides to release Yeon-ji's song as an album. During woking together,They fall in love each other. But Yeon-ji has nothing to do for him and should go back to heaven when she come true her dream. After finishing the recording her song, Yeon-ji leaves the studio and her song had a big hit. Jun-gyeong feels sad but becomes famous thanks to her. He doesn't t forget her and grows even more