An emotional journey that follows a brain scientist who is obsessive about figuring out new technologies to access the consciousness and memories of the brain. His life goes sideways when his family falls victim to a mysterious accident, and he uses his skills to access memories from his wife’s brain to piece together the mystery of what actually happened to his family and why.
Lee Yeong Oh is a genius neurosurgeon who just came back to Korea after finishing his studies abroad. He now works with his father, Lee Gun Myung, who is the head of the cardio-cerebrovascular center at Hyunsung hospital. However, Yeong Oh lacks empathy towards his patients due to his antisocial personality disorder.
One day, traffic policewoman Gye Jin Sung sees a murder in front of her, which was disguised as a traffic accident. She rushes the victim to Hyunsung hospital, where her crush Surgeon Hyun Suk Joo, of the cardiothoracic section, and Surgeon Yeong Oh operate on him. Unfortunately, the patient dies and she starts suspecting Surgeon Yeong Oh of foul play. Meanwhile, a series of bizarre patient deaths start occurring at the hospital and Yeong Oh starts investigating it.
One day, traffic policewoman Gye Jin Sung sees a murder in front of her, which was disguised as a traffic accident. She rushes the victim to Hyunsung hospital, where her crush Surgeon Hyun Suk Joo, of the cardiothoracic section, and Surgeon Yeong Oh operate on him. Unfortunately, the patient dies and she starts suspecting Surgeon Yeong Oh of foul play. Meanwhile, a series of bizarre patient deaths start occurring at the hospital and Yeong Oh starts investigating it.
Han Jin U, Korea's top medical examiner, leads a team of experts in conducting a medical crime investigation after strange events and mysterious deaths occur in a hospital. He first clashes with but is later aided by Kang Gyeong Hui, an attractive female detective who possesses excellent skill in martial arts and a strong sense of justice.
