S01E16: A Test
Eun and Park Soondeok try to escape the Damiwon. So decides that he must become King of Goryeo, which means he must make sacrifices.
Previous Episode 
Season 1
Traveling Back to Goryeo
S1E1 / 29 Aug 2016
So's Real Face
S1E2 / 29 Aug 2016
The One Behind
S1E3 / 30 Aug 2016
Staying in Songak
S1E4 / 05 Sep 2016
The First Time I Met You
S1E5 / 06 Sep 2016
Hae-soo Cut Her Wrist
S1E6 / 12 Sep 2016
A Court Lady in Damiwon
S1E7 / 13 Sep 2016
The Ritual Ceremony
S1E8 / 19 Sep 2016
He Is King Gwangjong
S1E9 / 20 Sep 2016
The Proposal
S1E10 / 26 Sep 2016
Begging for Forgiveness
S1E11 / 27 Sep 2016
Assassinate the King
S1E12 / 03 Oct 2016
The Rebellion
S1E13 / 04 Oct 2016
Opening Up
S1E14 / 10 Oct 2016
Looking for Eun and His Wife
S1E15 / 11 Oct 2016
A Test
S1E16 / 18 Oct 2016
Goryeo's 3rd King
S1E17 / 24 Oct 2016
The Empress
S1E18 / 25 Oct 2016
Leaving the Palace
S1E19 / 31 Oct 2016
The Letters
S1E20 / 01 Nov 2016
IU
Go Hajin / Lady Hae Soo
Lee Joon-gi
Wang So (4th Prince)
Kang Ha-neul
Wang Wook (8th Prince)
Hong Jong-hyun
Wang Yo (3rd Prince)
Baekhyun
Wang Eun (10th Prince)
Nam Joo-hyuk
Wang Baeka (13th Prince)
