Kim Jung-young

Jeon Gye-do’s past is revealed. The NIS finds out information about Frank.

As the final pieces of Dong-eun’s revenge plot slot into place, she considers what comes next — and what it will mean for Yeo-jeong.

Do-yeong issues an ultimatum. Dong-eun demands a piece of evidence be handed over. Yeon-jin attempts to do damage control after old videos appear online.

Dong-eun’s end game comes into focus as she sends Jae-jun a troubling package and orchestrates a plan to take down Yeon-jin and Lee Sa-ra.

Questions arise over Myeong-o, Dong-eun gives Yeon-jin a chance to come clean about her past, and the circumstances of Yoon So-hee’s death are revealed.

Do-yeong meets with Choi Hye-jeong to find out more about his wife — and her past. Yeon-jin digs into Dong-eun’s private life.

Dong-eun shares her traumatic past with Joo Yeo-jeong, who has unfinished business of his own. A new plan is put in place for Hyeon-nam’s daughter.

Son Myeong-o’s sudden absence causes tension in the friend group. Dong-eun finds her trust in Kang Hyeon-nam tested.

Already on edge over the past resurfacing, Yeon-jin grows more anxious when she learns about her daughter’s new homeroom teacher — and of a sudden death.

Seo Jung suddenly disappears one day after the car accident. Meanwhile, Doctor Do asks Dong Joo to operate a VIP patient and tells him to take it as an opportunity….

Dong Joo is one of the interns who have joined Geodae Hospital recently. He is notorious among his seniors for disobeying and playing smart. Seo Jung gives advice to him…

The cold case squad figures out who the serial killer is, but not before the wrong suspect turns himself in.

During the investigation of the serial murders, Park Hae Young discovers that the radio transmissions are actually connecting him to the past.

After the Kim Yoon Jung kidnapping case, the Chief of police creates a cold case squad. Their first case is the infamous Gyeonggi Nambu serial murders.