Gwanghae (Cha Seung Won) hears an explosion sound miles away at the point of cutting off Kim Gae Shi (Kim Yeo Jin)'s head. He goes to the ferry taking a horse and fetches a scream in front of a rousing fire because he believes Princess Jeongmyeong was killed in the blast.
Queen Inmok (Shin Eun Jung) heard that Prince Yeongchang also breathed his last breath in an excessively heated room cries soundlessly. But she swears by Heaven that she will see the King rejected from the royal throne someday.
Meanwhile, Gwanghae become aware of someone who is the actual influence denounces Gae Shi who acted as another's tool killing the Prince and the Princess.
Jeongmyeong encountered terrible weather after days of floating upon the sea on the small boat unluckily is rescued by a slave ship and the girl dressed in male attire is sold into sulfur mine slavery in Nagasaki, Japan.
Hong Joo Won (Yoon Chan Young) feels pangs of guilt because he didn't keep his promise protecting the Princess Jeongmyeong. Joo Won drinks to forget his pain and Yi Deok Hyung (Lee Sung Min) apologizes the boy for adults' fault saying that he blushes for him.
Gwanghae orders investigation a retainer close to him about the big shot who even look ed down upon the King.
Kang Joo Sun (Jo Sung Ha) is brought to light. He says to his subordinate, "Gwanghae is pretty enthusiastic. He is a dummy king should be under me. Let him to focus only govern the country for a while."
The father of Kang In Woo (Ahn Do Gyu) also orders to bump Yi Deok Hyung off, "Kill him and don't forget to use other people's hand when you dive into a snake tunnel."
The subordinate sends a box of blister beetles to Yi ICheom (Jung Woong In) under the name of Yi Deok Hyung. Yi ICheom and Gae Shi are obviously flustered as they realize that someone knows they killed the Prince Yeongchang and the Princess Jeongmyeong.
Gwanghae payed Yi Deok Hyung a visit when he is away finds out an Naeuiwon(a palace pharmacy during Joseon dynasty) diary and an autopsy diary in his room. His face contorts with pain as he reads them.
Jeongmyeong started a slave life in the mine meets Ja kyung (Kang Chan Hee) who is in the same oven. In the middle of work, the Princess sees boiling water in a lake at the foot of the mountain.
"What is it? Why is the water boiling?" she asks.
"Run away! The volcano will erupts soon. Hurry up! Run!" Ja Kyung shouts.