Jeon Mi Sun (Memories Of Murder and Christmas In August) stars as Au Jin, a bored housewife living in Busan. Her husband does very little to help raise their two children, so Au Jin works a number of part time jobs to make ends meet. Working in a call center, the conversations she has with a mysterious man are the only things in life that seem to make her happy. When she is encouraged to get a job as a hostess in a bar, Au Jin meets Min Su, and can finally open her heart.
Song Ju and Jeong Seo who have lost a father and a mother respectively spend their childhood together like real siblings. Song Ju is there for Jeong Seo whenever she feels lonely and has a hard time, and Jeong Seo also relies a lot on Song Ju. However, after Jeong Seo's father gets married to Tae Mi Ra, Mi Ra and her daughter Yu Ri keep harassing Jeong Seo out of jealousy. Tae Hwa, Yu Ri's rough and wild older brother, has a crush on Jeong Seo who is pure and kind unlike him.