Plot
Starts with Kim Do Ran living with her foster parents, her birth father unexpectedly gets sent to jail and sentenced to 28 years imprisonment. Do-ran's step-dad goes and bring Do Ran home from the landlady where Do Ran and her birth parents lived. Do Ran had to live with all the harsh treatments by her step-mum and her step-sister. Only Do Ran's step father knew the truth of Do Ran which he hides even from his own wife. His wife and step- sister envy the loving treatment for Do Ran by her step-father.
Do Ran's step sister wants to be an announcer so she wants to study abroad, Do Ran's step-mum hates the father spending money on Do Ran's education Rather than on Kim Mi Ran ( Do Ran's sister). Do Ran's father gets killed on a road accident and Do Ran is kicked from home. Do-ran thus grows up without a father for 28 years, not knowing that Do-ran has a birth father was in jail. After 28 years, Do-ran's birth father releases from the prison and he finds a job in Wang Residence. Do Ran gets a job as a secretary in Bom and Food Company and then she falls in love the director Wang Dae Ryook. Wang Dae Ryook's grand mother Geum-byung suffers from Dementia and she relapses to her younger age and think Do Ran is her dead sister. Each time Geum-byung suffers a dementia attack she might mistake people and in the worst case, pull out their hair.
The couple suffers a lot because of incidents that occur between the families. Eventually when Do ran finds her father and subsequently the truth is revealed that Do Ran's father is responsible for Da ya's fathers, Do-ran and Dae-ryook get divorced. The story ends with a twist where Do-ran's birth father turn out to be accused for Da-ya's father's death. After Do-ran's father cleared his name, Do Ran is loved and brought in back to Wang residence.
