Doctor Detective

After her divorce with her rich husband, Joong Eun makes a living by working at factories late at night and concealing industrial accidents. Joong Eun’s previous co-worker, Il Sun,… read more

Joong Eun realizes that her neighbor, Ha Rang’s working environment is not stable and safe, and asks him to go and get a check-up as he seems uncomfortable. However, Ha Rang goes… read more

A 19-year-old boy named Jung Ha Rang dies on the job fixing a safety screen door at a TL Metro station. As the media claims it was due to his negligence, Joong Eun determines to get… read more

Min Ki from UDC does some investigating and finds out a possible way to find concrete evidence. However, it's Joong Eun's intuition and detective work that leads them to find n-Hexane… read more

The funeral for Ha Rang is held without the autopsy being performed. His colleagues and every staff member from UDC attend the funeral to offer their condolences. Meanwhile, Min Ki… read more

An old man named Kim Young Han who is suffering from asthma comes to see Il Sun. The UDC members think he may have gotten the disease from his work, a bakery. Min Ki is reminded of… read more

Joong Eun almost gets run over by a car, and Min Ki gets out of police custody. They jump right back on the asthma case and start to snoop around the bakery, hoping to find evidence.… read more

Joong Eun manages to get the bakery shut down and the owner arrested for sexual violence, leaving the asthma case on hold. However, a USB containing video evidence of the metro accident… read more

At night, Joong Eun visits Namil dormitory alone to find evidence of mercury poisoning. However, she suddenly gets attacked by a hitman working for Moh Sung Kuk. Will she be able to… read more

Il Sun and her team members find out that both Ha Rang and Do Hyeong were suffering from mercury poisoning. To share what they’ve found, Il Sun has an interview with a journalist.… read more

Tae Young tells Joong Eun to expose TL Group's coverup behind the mercury poisoning and to bring down Moh Sung Kuk. To find evidence of mercury poisoning, Joong Eun and Min Ki strategize,… read more

The UDC members celebrate a job well done solving the mercury poisoning case, but it's not for long. TL has its way and meddles with the media to coverup the story, eluding attention… read more

The police visit the UDC and ask for cooperation on a case. It's about a man who is presumed to have gotten sick after being exposed to poisonous substances. The staff members of the… read more

Joong Eun meets her ex-father-in-law, Choi Gon. Joong Eun tells him to stop pressuring the UDC. Choi Gon suddenly collapses in front of Joong Eun. At the same time, Min Ki witnesses… read more

Mr. Kwon from TL suspects Joong Eun had something to do with Chairman Choi's condition and locks her up in the storage room of the hospital. Hye Mi, the young girl who got hit by a… read more

The UDC finds out Hye Mi's last part-time job was with Bukang CNC. And Joong Eun infers that methanol used in the CNC machines caused her blindness. Despite Il Song's order to step… read more

To find the concrete evidence against TL, Joong Eun and Min Ki sneak into the factory, pretending to be part-time workers. And they manage to secure the evidence. Il Sun goes to visit… read more

Min Ki goes to the hospital to see Hye Mi. He soon breaks out into tears, but he pretends that he's not crying. Joong Eun also visits Hye Mi on her birthday and takes her to the beach.… read more

Chairman Choi shows Joong Eun the threatening letter he had received, and Tae Young tells her that the strand of hair found in the letter was Seo Rin's. With the circumstances implicating… read more

The UDC start to dig into the threatening letter case and presume it was from a victim of an industrial accident case against TL. After narrowing down cases after 1998 involving arsenic,… read more

Kim Yong Deok who planned to terror TL is found dead. UDC investigates about his death and the past. It turns out that he was a subcontractor of TL and was sick from mercury poisoning.… read more

Mr. Ko tells the truth about Yong Deok’s past and his spying. It turns out that they both suffered from an industrial accident. Chairman Choi calls Min and tells her to take over… read more

Kim Yong Deok is left to rest by his daughter, Kim Yang Hee, who was also a victim of TL's reckless operations. Min Ki starts to find the incidents that happened three years ago, including… read more

A young girl dies, and UDC receives an anonymous call regarding a respiratory disease occurring at TL Medical Center. Moh Sung Kuk suggests to Choi Min that TL take this opportunity… read more

Min says that her hospital will cooperate with the UDC on the epidemiological investigation. However, the doctors in the hospital are told to persuade the patients and their guardians… read more

The UDC loses its authority to investigate the humidifier disinfectant case, and what the UDC has found out is transferred to the Ministry of Health. Meanwhile, Joong Eun informs Do… read more

Joong Eun and the UDC continue to dig into the humidifier disinfectant case and get a search and seizure warrant with Tae Young's help. In return, Tae Young asks that he take the credit… read more

Min Ki finds clues left by Kim Yong Deok that help UDC find the chemical culprit, and with it, Moh Sung Kuk's involvement. Joong Eun discloses the evidence to Tae Young. However, when… read more

Tae Young tells Joong Eun to go to his office and check what's inside the safe. Joong Eun and Min Ki arrive at Tae Young's office, but at the same time, Sung Kuk's underlings also… read more

Joong Eun is out of the office and Se Rin is left alone. Then, someone abducts Se Rin. Everyone in the UDC starts to look for Se Rin. Min Ki keeps calling Joong Eun to let her know,… read more

The moment Joong Eun realizes Seo Rin was missing, she receives a text message from Choi Min telling her where to go. Later, Moh Sung Kuk stands trial where he denies any wrongdoing… read more

A year passes, and Tae Young returns from prison. He meets with Joong Eun who gives him Seo Rin's number and wishes him the best. He vows to rectify the wrong TL Group has done. Gong… read more