Hwon determined from Hong Kyu Tae which the death of Crown Princess relates to Princess Min Hwa, as well as gradually begins to fracture the riddle.
Min Hwa who finally pregnant after a long wait goes into the actual palace happily, and stays in Gangnyeongjeon hall to announce favorable news to Hwon.
in contrast, Hwon is agonized over the fact that he cannot gives unit to Yeon Woo who will be by his side. now, Hwon makes the judgement, and prepares to check out Queen Dowager Yoon.
Previously translated version to the last line:
On another hand, Yeon Woo who is by the side associated with Hwon is agonized when she cannot give comfort to him. At previous, Hwon makes the determination, and prepares to go to Queen Dowager Yoon.
The Moon that Embraces the Sun eps 18 recap :
