The throne of Silla quakes as King Jungsu falls deeply ill and the queen's death is pronounced. There's no sucessor and the kingdom may fall into the hands of Baekje and Goguryeo. The unification and peace between the Three Kingdoms is in danger. The court is agitated and in constant dispute. The people of the kingdom lose its determination and start to waver. However, as Ahn Chilhyun prophecied, the frail and delicate butterfly will hold on the pressure of the kingdoms and lead to peace and glory.

Main Characters:

Kwon Yuri | Choi Minho | Kim Taeyeon | Choi Sooyoung | Jessica Jung Sooyeon | Oh Sehun

featuring

Krystal Jung Soojung | Sulli Choi Jinri | Luna Park Sunyoung | Leeteuk Park Jungsu | Onew Lee Jinki | Key Kim Kibum | Lee Taemin | Tiffany Hwang Miyoung | Seohyun Seo Joohyun | Victoria Song Qiàn | Kim Hyoyeon | Eunhyuk Lee Hyukjae | Cho Kyuhyun