S01E11: The Promise
The crown prince defends the young girl who's accused of treason, but poison discovered in the king's meal gets linked back to the girl's father.
Previous Episode 
Season 1
Moonlight Destiny
S1E1 / 22 Aug 2016
The Way to Your Heart
S1E2 / 23 Aug 2016
I Will Be Right Behind
S1E3 / 29 Aug 2016
After the Play Has Ended
S1E4 / 30 Aug 2016
Tell Me Your Wish
S1E5 / 05 Sep 2016
When You Want to Say Unspeakable Secret
S1E6 / 06 Sep 2016
Confession
S1E7 / 12 Sep 2016
Although You Don't Know Well
S1E8 / 13 Sep 2016
Latch Opening Moment of the Heart
S1E9 / 19 Sep 2016
Like a Fairy Tale
S1E10 / 20 Sep 2016
The Promise
S1E11 / 26 Sep 2016
Trust Becomes Your Destiny Itself
S1E12 / 27 Sep 2016
Fondly, All the Best
S1E13 / 03 Oct 2016
Misty Road
S1E14 / 04 Oct 2016
All the Lies Seemed True
S1E15 / 10 Oct 2016
The World That You Dream Of
S1E16 / 11 Oct 2016
The End for the Beginning
S1E17 / 17 Oct 2016
Moonlight Drawn by Clouds
S1E18 / 18 Oct 2016
Park Bo-gum
Lee Yeong / Crown Prince Hyo Myeong
Kim You-jung
Hong Ra-on / Hong Sam-nom
Jung Jinyoung
Kim Yoon-seong
Chae Soo-bin
Jo Ha-yeon
Kwak Dong-yeon
Kim Byeong-yeon
Kim Seung-su
King Soonjo
Jeon Mi-seon
Consort Park Soo-ki
