This drama focuses on the life of Jung Yak Yong, a gifted scholar from Joseon who also had a keen eye for investigation.

Jang Sae Byuk is a a girl who tries to find a new meaning in life after she receives an eye cornea transplant from the doctor that took care of her after her accident. That doctor, Kim Na Young, died in a car accident on her way back from Africa. Sae Byuk becomes close with the Na Young's family after finding them. The family slowly accepts her as part of the family. Kang Ho Se and Kim Tae Poong, Na Young's twin brother, have disliked each other since they were young kids. This is mostly Tae Poong hates Ho Se because Ho Se's family was rich and because Tae Poong's father was Ho Se's father's driver and his mother was the maid.

Credits to Soshisubs for the subtitles!

Kwak Sun Young gets into a car accident and develops this ability of detecting a man's past from his body odors. She divorces her husband when she finds out about his long history of girlfriends. Sun Young then sets up a business where she helps women and even the police track down suspicious men and husbands.