Unknown Woman
Hong Ji Won Was Raised at an orphanage. She graduated from a prestigious university and studied, to flee by her inadequate background. She worked as a secretary. Hong Ji Won and the master of the company married and gave birth to a kid. Now, Hong Ji Won learns that her son has a disorder. She decides that she will do anything.
Foster parents along with her boyfriend abandon her, although teach parents increased son YeoRi. Son Yeo Ri belongs to prison, to secure her child.