Kim Ju-Hun shocked Ok Ja-yeon, who betrayed him, by incarcerating him into a psychiatric ward.
In the final episode of MBC's Golden Earth Drama Big Mouth' (playplayed by Kim Ha-ram/director Oh Chung-hwan and Bae Hyun-jin) broadcast on September 17, Hyun Joo-hee (Ok Ja-yeon), who learned that Choi Doha (Kim Ju-Hun) had killed Kang Sung-geun (played by Jeon Guk-hwan) through Dr. Chang-Ho (played by Lee Jong-seok) This betrayal has been chosen.
A quick delivery came to the election office of Dr Chang-Ho, who lost the mayoral election on the day, and Komiho (Im Yoon-ah Boone); inside the tense kite box, 'it's a cannon phone used by my husband. It will be an important trial for the trial, "he said, along with Hyun Joo-hee's message, which contained a real cell phone.
Dr. Chang-Ho immediately called Hyun Joo-hee and said, "I need to testify that this cannon phone belongs to Choi Doha. "Can Mr. Juhee do it?" And Hyun Joo-hee replied, "I will testify" after hesitation.
However, Hyun Joo-hee did not appear on the day of the trial. Instead, Kang Sung-geun's secretary, who appeared as a witness, falsely testified that "it was used by Kang Sung-keun, In fact, Choi Doha already knew Hyun Joo-hee's betrayal through a hidden camera installed at home. Choi Doha was eventually acquitted of lack of evidence.