It tells the story of a prophet who sees the moments right before the death of someone and a homicide detective who got dragged into a series of mysterious murders and end up digging up hidden secrets. Kim Tae Pyung, a prophet who can see death, 27 years old. He has the special ability to see the moments right before the death of someone by looking into their eyes. Instead of suffering from this mysterious ability linked to the death of people, he thinks that it is a special ability of his own. He is rich, handsome and has a sexy brain. However, he cannot see the death of Joon Young and that started to scare him. Joon Young, a homicide detective who is working with Tae Pyung to solve cases. 30 years old. She has good insight and intuition. Her father who was a police officer was her hero and her whole life, however, he passed away 20 years ago. That was a huge shock for her. She was only depending on herself and no one else. However, when Tae Pyung appeared, she started to change. She wants to heal his and her wounds. Ku DoKyung, a forensic expert, 33 years old. Tae Pyung gave him the nickname of “4 weeks left” because he gives the result 4 weeks later. He is a smart and talented employee of the National Forensic Service. He always seems relaxed. In front of JoonYoung, he acts differently. He can’t stop laughing when he is with her and lets his image of a cool and cold man away.