In drama "A Well Grown Daughter" Yoon You Sun has been kicked out of her own house for eight years because she did not give a birth to a son. She plans to take a revenge on the family by dressing her youngest daughter as a son.

On the episode of the new SBS everyday drama "A Well Grown Daughter" which aired in the afternoon of December 9, 2013, aired a story of the daughter Jang Ha Na, played by Park Han Byul, in a fake genetics test where she is turned out as a son Jang Eun Sung, due to the cunning tricks of Joo Hyo Sun, played by Yoon You Sun. therefore, Im Chung Ran, played by Lee Hye Sook, and Byung Jong Soon, Kim Ji Young, cannot even fall asleep because of their apprehensiveness.

Jang Pan Ro, played by Park In Hwan, met with Joo Hyo Sun, apologized for the past eight years, and showed her his interest in his grandson. Joo Hyo Sun hinted that she will not easily give up her own son.

Joo Hyo Sun when her husband died eight years ago was involuntarily kicked out of the house by her parents in law, Im Chung Ran and Byun Jong Soon.