Lee Je Hoon solved the secret of the document that Suh Joon Young had left.

On the episode of SBS drama "Secret Door" broadcast on October 7th, Shin Heung Bok (played by Suh Joon Young) saw the legacy that Huh Jung Woon (played by Choi jae Hwan) had left and Lee Sun (played by Lee Je Hoon) got closer to the truth.

Lee Sun started an Investigation thinking that the culprit would be hidden in the will that Huh Jung Woon had left.

IN this episode, Suh Ji Dam (played by Kim Yoo Jung) started to hide because he felt threatened as the witness of the Shin Heung Bok murder incident. There, he found the secret document of Shin Heung Bok and started to give this document over to Lee Sun. Lee Sun realizes that Shin Heung Bok had left the password In old form and goes to Suh Ji Dam In furtherance of the investigation.

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.