Seo In Suk, the wife of the chairman of Geoseong Foods, is treated harshly by her mother-in-law, Ms. Hong, for not being able to bear a son. Kim Mi Sun, a nurse at the Geoseong residence, becomes pregnant with Il Jung’s son (Tak Gu). In Suk is very angry when she finds out about the pregnancy. To avoid In Suk, Mi Sun flees the Geoseong residence. Months later, after receiving orders from In Suk to find Mi Sun and get rid of her son, Han Seung Jae finds out where Mi Sun is hiding. Her life is now in danger along with her son.