Based on Lee Jeong-myeong’s novel “Deep-rooted Treeâ€. Work that highlights the serial killings during the 7 days before the announcement of the Korean script.
A series of murder occurred during the reign of King Sejong.
As Kang Chae Yoon who is investigating these cases gets closer to the root of the truth, he finds himself embroiled in a massive conspiracy behind the serial killings which involves a group of genius who are willing to risked their lives towards their cause/goals and secret powers who will interfere with the course of his investigations. --- KoreanDrama.org
Cast
Jang Hyuk as Kang Chae Yoon
Chae Sang Woo as child Chae Yoon
Han Suk Kyu as King Sejong
Song Joong Ki as teen Lee Do (later King Sejong)
Kang San as child Lee Do
Shin Se Kyung as So Yi
Kim Hyun Soo (김현수) as young So Yi
Ahn Suk Hwan as Lee Shin Juk
Lee Jae Yong as Jo Mal Saeng
Jo Jin Woong as Moo Hyool
Park Hyuk Kwon as Jung In Ji
Yoon Je Moon as Ga Ri On
Kim Ki Bang as Cho Tak
Shin Seung Hwan as Park Po
Song Ok Sook
Suh Joon Young as Prince Gwangpyeong
Lee Soo Hyuk as Yoon Pyeong
Kim Ki Bum as Park Paeng Nyeon
Jo Hee Bong as Han Ga Nom
Jun Young Bin as Mak Soo
Yoo Hyun Soo as Lee Soon Ji
Shin So Yool as Mok Yi
Shim So Hun (심소헌) as Duk Geum
Hyun Woo as Sung Sam Moon
Baek Yoon Shik as Taejong (cameo)
I'm about to start this, is anyone watching it?