Detective Jo Tae Sik applied for a transfer when his mother fall ill. He then was assigned to an accident of an assemblyman, Kim Sung Cheol as his last case. He then realized that the accident was not an accident after all. While investigating on the case, he found out that Kim Sung Cheol's son in law, Jung Sung Hoon was missing. To find the truth of her father death and find her missing husband, Kim Seo Hui then became an assemblywoman. Both of them began to works together to uncover the truth.

Yoon Deok Soo was only a little boy when he begun to take the responsibility as the head of the family. His father was separated from the family when they tried to escape North Korea. The family then stay at their aunt store in Busan Gukje Market. Deok Soo works hard to support his family, together with his lifelong friend, Dal Goo. He then met his first love in Germany while working as a miner. Years had passed, Deok Soo refused to gave up on the store despite what the family and people said of him.

Upon losing his nephew, Hoon to a plane crash, the stuntman Cha Dal Gun begun to seek for the truth. He stumbled to a man who appeared in the video recorded and uploaded by Hoon inside of the plane before takes off in Morocco. He was convinced that the plane crash was an act of terrorism. With the help of Go Hae Ri, an NIS agent, they begun to pursue for the truth behind the fatal crash that killed more than 200 people.

The hardest mission was to come back alive - Gang Ju Cheol

During a rainy day, a middle school student, Yeo Seon was kidnapped on her way to home. After ten days, her body was found in a red suitcase. Her step mother had been feeling guilty ever since because she was supposed to pick her up from school. She then stumble into Seo Yoon who lives in the same apartment complex and hers. Soo Yeon had an uncanny resemblance with the dead student, Yeo Seon. Several people living near the apartment complex had been suspecting one of their neighbor, Seung Hyuk is the murderer but kept it to themselves.

In 1999 a popular variety show director, Ma Dong Chan participate in a cryonic project where the participant will be freeze for 24-hours. He and another participant, Ko Mi Ran was supposed to wake up after 24-hours. However, when they woke up, they found out that 20 years had passed. In order to survive, both of them need to maintain 31.5 degree celsius as their normal body temperature.