My mother-in-law is a surrogate mother

Dayeon, who grew up in a bottom-of-the-barrel orphanage and married into a wealthy family after tearful struggle.

Faced with the harsh obstacle that she will only receive the inheritance if she gives birth to a son, she hides the fact that she is infertile.

To maintain strict secrecy, she enters into a secret agreement with her son-in-law to use her biological mother, Hyesu, who abandoned her, as a surrogate mother...