Kim Ji-eun

As humans turn into savage monsters and the world plunges into terror, a handful of survivors fight for their lives — and to hold on to their humanity.

Kang In-Kyu’s father was brutally murdered 13 years ago. To take revenge on those who are responsible for his father’s death, he becomes a doctor. Kang In-Kyu volunteers at a prison medical office where the murderer is imprisoned.

When they were children, Yoon Na Moo and Gil Nak Won were each others first love. They are forced to break apart when Na Moo's father Yoon Hee Jae, a psychopath serial killer, murders Nak Won's parents. 9 years later Yoon Na Moo is known as Chae Do Jin, a passionate and kind rookie detective wishing to atone for his father's sins. And Gil Nak Won is now Han Jae Yi, an aspiring actress following in the footsteps of her mother. She suffers from a panic disorder but still has a good outlook on life. However, the sadness of their past comes to light again and their short-lived encounter is over before it began. Another three years on, Jae Yi has become a popular actress and Do Jin is now an experienced detective. When their fate becomes connected once more, will their love prove to be stronger than their past?

A woman named Go Ae-Rin loses her husband. Along with her neighbour Kim Bon, who is a NIS agent, they discover the truth behind her husband's involvement in a huge conspiracy.

In-Sung has prepared for the examination to become a police officer for 4 years. He has failed the exam 8 times, but he still has a positive personality. He then applies for the high pay part-time job which is titled "Experiment Full of Life."

Hong Ji Won grew up at an orphanage. To escape from her poor background, she studied hard and graduated from a prestigious university. She then worked as a secretary at a large company. Finally, Hong Ji Won married the owner of the company and gave birth to a son. Now, Hong Ji Won learns that her son has a disease. She decides that she will do anything for her son. Son YeoRi was raised by wealthy foster parents, but she is abandoned by foster parents and her boyfriend. To protect her child, Son Yeo Ri goes to prison.

Ma Yi-Deum has worked as a prosecutor for 7 years. She sometimes resorts to drastic methods to win cases. One day, Ma Yi-Deum is transferred to a special division dealing only with sex crimes.

An eccentric, triple board-certified virtuoso surgeon leaves a top job in Seoul and ends up at a provincial hospital, where he mentors young doctors.

Sang-Tae is left with his two children after his wife passes away. Since that time, he lives with his two kids and parents-in-law. He works as a marketing team leader for a fashion brand. Mi-Jung works as an assistant manager at the same fashion company. 3 years ago, her husband had an affair with her friend and left her. She couldn't tell her kids the truth about their father and lied that their father went to work in America. To this day, the children still believe that their father is in America. Sang-Tae and Mi-Jung never thought about falling in love again, but they fall in love with each other.

Drama series follows a police crisis negotiation team as they try to solve cases without using force. The police crisis negotiation team works on such cases like attempted suicides, hostage situations and terror situations.