Woo Ri contemplates her abstinence pledge and is on the verge of letting go of all her beliefs with Kang Jae. Meanwhile, Raphael returns from the hospital after beating cancer and tells Ma Ri he wants a divorce. To change his mind, she secretly plans to get artificial insemination done with the last of his sperm. However, Woo Ri is at the clinic at the same time and gets it done instead.

Woo Ri tells Kang Jae that she's pregnant with someone else's baby, shattering his marriage proposal. Meanwhile, Raphael and Mi Ja find out about the medical mishap. Although Raphael supports Woo Ri, Mi Ja won't accept it and tells the chairman about what happened. Chairman Kim desperately wants a grandchild and approaches Woo Ri with a box of apples.

Woo Ri makes up her mind and decides to have Raphael's baby. She tells him about it amidst a murder that happens in the hospital that pleasantly shocks him. However, Woo Ri starts to doubt Raphael after seeing him with other women and reading online articles about him being a playboy. She starts to follow him around to confirm her suspicions.

Raphael finally remembers he met Woo Ri before by the East Sea and starts to think their second encounter is a string of fate. Meanwhile, Woo Ri's oestrogen levels heighten with her pregnancy, causing her to lust for Kang Jae. However, the letter she wrote to him explaining her needs and desires lands in Raphael's email box. She runs to stop him from reading it, but it's too late.

Seoung Il tells Woo Ri that he is her father. Woo Ri gets shocked by the news and becomes angry at Eun Ran for lying to her. She packs her things and leaves the house. Meanwhile, Seoung Il finds out about Woo Ri's pregnancy and then causes a scene at the hospital that gets filmed and posted online, causing public outrage.