(episode 9-11 & 13–16) Woo Do-im as Jo Sang-mi (episode 10–15) Production The series is written by Jin Soo-wan who wrote the hit dramas Moon Embracing the Sun (2012) and Kill Me, Heal Me (2015). This drama marks Im Soo-jung's small screen comeback after 13 years since 2004. The series was filmed at various places in Seoul - SEOUL SEOUL 3080, Hannam-dong Book Park, Ikseon-dong and Seodaemun Prison History Museum. Original soundtrack Ratings In this table, represent the lowest ratings and represent the highest ratings. References External links TVN (South Korean TV channel) television dramas Korean-language television shows 2017 South Korean television series debuts South Korean romance television series South Korean fantasy television series South Korean suspense television series Television series by Studio Dragon 2017 South Korean television series endings