"Secret Door" Kwak Hee Sung ended continuously taking care of Kim Chang Wan.
On the 10th episode of SBS Monday/Tuesday drama "Secret Door" (script Yoon Sun Joo, director Kim Hyung Shik) broadcast on October 21st, Kim Moo (played by Kwak Hee Sung) was dragged to interrogation. Before this, Kim Moo was dragged off because he had murdered Kang Pil Jae (played by Kim Tae Hoon).
Kim Moo's two hands were tied with a rope and his body was covered in blood. Kim Moo had been asked why he committed murder and he said that he had received an order. When asked why made that order, Kim Moo replied back that he could not answer.
The person who had ordered it was Kim Moo's father, Kim Taek (played by Kim Chang Wan). Because Kim Moo had been a filial son, there was no way that he would comply with this investigation at the cost of disdaining his father's name and revealing him as the person in charge of the murder.
Meanwhile, SBS Monday/Tuesday drama "Secret Door" is a period drama tha follows the conflict between King Yeongjo (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.