<Korean TV Series NOW> ”The Story of Mr. & Mrs. Ok - False Identity, True Life” EP4, Choo Young Woo and Lim Jiyeon share a secret = Viewership rating 8.5%, Synopsis and spoilers

*This article contains spoilers. JTBC TV Series "Mrs. Ok's Story - False Identity, True Life" EP4 (viewership rating 8.5%) features two women who share secrets.
The story depicts the relationship between Goo (Im Ji Yeon) and Yoon Gyeom (Choo Young Woo). After revealing his true identity to Yoon Gyeom, Goo Deok said, "I was prepared to accept any secret, but to be honest, I was surprised.
In response to the question, "I was fortunate that the reason she refused the marriage was not because of me," she replied, "I am afraid of marriage. Even if I have to pretend to be a nobleman, if I get married, I should be able to have an heir. If I get married, I will ...
How can I inherit the family of a nobleman?" she sighed and asked, "Please keep it a secret." Yoon-gyeom replied, "If you are worried that I might reveal the secret, then please make sure it is never revealed.
"I will also tell you one of my secrets that I cannot accept. I also do not want to marry. I cannot embrace a woman. If this secret is revealed, I too will have to die," he confessed.
You promised to help me once, right? So I want you to marry me and become the wife of the County Superintendent. I will be your safe haven."