Tae In Ho

Cha Young Min, a brilliant but arrogant surgeon, is involved in an accident and his spirit possesses the body of Seung Tak, a lucky and rich resident doctor. The two are complete opposites, with Young Min being cold and focused on his career, while Seung Tak, who has no interest in being a good doctor, struggles with the ghostly possession. (Source: MyDramaList)

In 1999, a recording tape containing a mysterious serial murder and an eerie sound is discovered in a rural town. In 1987, terrorist Jo Gyeong Ho released sarin gas at a train station, killing passengers before turning himself in. His daughter, Jo Jae Yeong, was sent to live with his younger sister, Jo Jeong Hyeon. A decade later, Detective Choi Hyeong investigates a murder case he suspects is linked to the past attack. When Jeong Hyeon's niece goes missing, she joins Choi Hyeong to uncover the truth and save her. (Source: MyDramaList)