Actor Kwak Hee Sung made a strong presence in the SBS drama "Secret Door." He was a killer who had killed Kim Tae Hoon in the most merciless way.
On the 8th episode of SBS drama "Secret Door" broadcast on October 14th, Kim Moo (played by Kwak Hee Sung) followed the orders of his father Kim Taek (played by Kim Chang Wan), who was the leader of the Noron faction. To find the secret document, he started to stop Kang Pil Jae (played by Kim Tae Hoon) and went into his quarters.
When Kim Moo saw Kang Pil Jae shuddering in fear, he started to spray blood on the plants and showed the most horrific sides of a person.
However, at the time, with the request of Park Moon Soo (played by Lee Won Jong), he ran into Na Chul Joo (played by Kim Min Jung) who had come to find his cigarette holder. He ended up fighting with this person and lost the Maeng Yi.
The two had been friends in the past. Na Chul Joo successfully gave the secret document over to him but suffered a great wound.
Meanwhile, SBS Monday/Tuesday drama "Secret Door" is a period drama that follows the conflict between King Yeong jo (played by Han Suk Kyu) and Crown Prince Sado (played by Lee Je Hoon). Kim Yeong Jo has an authoritarian ruling style whereas Crown Prince Sado insists on equality for all.