I must go back
- Episode aired Sep 17, 2017
When Dr. Heo finds himself back in Seoul, he realizes that he must go back to save Yeon Kyung. With Jae Ha's help, he is able to go back to JoseonWhen Dr. Heo finds himself back in Seoul, he realizes that he must go back to save Yeon Kyung. With Jae Ha's help, he is able to go back to JoseonWhen Dr. Heo finds himself back in Seoul, he realizes that he must go back to save Yeon Kyung. With Jae Ha's help, he is able to go back to Joseon