A romantic comedy about a woman Oh Woo Ri, who intended to remain chaste until marriage, accidentally winds up pregnant while undergoing a medical examination.

The drama depicts the difficult decisions and moving human stories that take place daily in the OB-GYN department, focusing in particular on Seo Hye Young, a talented and determined obstetrician who has just transferred from the prestigious Seoul base to the branch hospital. Her straightforward manner of handling her professional life is in contrast with her love life, which is marred by her relationship with a married man. This becomes even moreentangled when she meets Lee Sang Shik, the chief of NICU, and her long-time friend Wang Jae Suk also shows his interest.