A modern day adaptation of Cinderella with a twist as our Cinderella, Goo Hyo Sun, plots revenge against her evil stepsister (Moon Geun Young) for years of pain and suffering.
She has neither aspiration nor emotion and her smile is sarcastic. Eun Jo is a girl who has apathy toward life. Her mother, who has been living as a single mother for 18 years, finally found the right person to marry and brought Eun Jo into the stepfather’s house.
Eun-Ju (Moon Geun-Young), who lost her father many years ago, finally moves gets a new family home when her mother remarries. Although things seem to have turn the better for the cynical Eun-Ju, she immediately faces problems when she meets her new step-sister Hyo-Seon (Seo Woo). Hyo-Seon with her bright character is the apple in her father's eyes and the clear favorite in the house. Furthermore, Eun-Ju's mother also seems to have fallen for the charismatic personality of Hyo-Seon.
Making matters worse for Eun-Ju, Hyo-Seon seems to like Eun-Ju's prince Ki-Hoon (Chun Jung-Myung). Eun-Ju decides then and there to take matters in her own hands and exact revenge on her Cinderella like stepsister ...