The story of the relationship between two families, based on the traditional Korean Cinderella folktale about Kongji and Patji. The Kongji family is poor but kind, while the Patji family is rich but selfish.

Shin Jung Hoo leads a new generation of criminal investigators that use forensic procedures and scientific methods to solve mysterious crimes, with a new focus on criminal psychology and profiling: Cha Gun Woo, a profiling expert who frequently uses his good looks and natural charm to appeal to females and elicit testimony, the rookie investigator Seo Yeon Doo, veteran Choi Do Gon, and coroner Park Choong Ok...

The drama deplicts the life of a talented OB-GYN doctor, Seo Hye Young, and the difficulties she faces with her profession. Her love life takes an unexpected turn when she's pursued by two younger men: one is a pediatrician at her hospital, Lee Sang Shik, and the other is her friend, Wang Jae Suk.