Eun-Joo (Ryoo Hye-Young) has bright personality, but worries a lot about human relations. She used to work as an editing designer. She suffered from overwork there and quit her job. She tried to find a job again, but found it wasn't so easy. Now, Eun-Joo is unemployed and depressed. Her studio apartment gets covered by mold. One day, Eun-Joo's friend Min-Seok (Kim Jae-Young) gives her some lighting as a present. After that, Eun-Joo becomes interested in do it yourself interior design. She also begins to restore her life.