Kim Do-Yun

Cha Kang Jin grows up in a poor family who is constantly on the move. After relocating to his mother's hometown when Kang Jin is a teenager, his mother falls back into her old ways, opening a bar that draws a group of undesirable men. Kang Jin is forced to watch helplessly from the sidelines, getting into fights with other high school students to protect her honor. When he meets Han Ji Wan at school, sparks fly immediately, but tragedy soon strikes when Ji Wan suddenly must leave town. Eight years later, Kang Jin finally finds her again—at her engagement party. Never able to forget the girl he loved and hurt so badly, Kang Jin has trouble accepting the loss of his love, and after discovering that Ji Wan's fiancée is his co-worker, the three soon become hopelessly entangled in each other's lives.

The seventh of the 500 Years of Joseon Dynasty series deals with the reigns of Injo, Hyojong and Hyeonjong in the 17th Century. The period in which Injo ruled was marked by General Yi Gwal's rebellion, the two invasions by the Manchu, and subsequent breakdown of the economy. His successors, Hyojong and Hyeonjong, spent most of their time on the throne attempting to restore the kingdom.

Cheon Yeon Ju is a girl who is specializes in investigating crimes. She teams up with Jeong Re Oh, a employees of the Ministry of Food and Drug Safety, to investigating a series of crimes.