Han Jin Woo, 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 Kyung Hee, an attractive female detective who possesses excellent skill in martial arts and a strong sense of justice.
Go Man Soo is a world known golf player who was dumped by a former beauty queen, Oh Soo Jung, seven years ago. Their fate becomes reversed when Oh Soo Jung who is now known as an old maid comes chasing after Man Soo who is now a 'golden bachelor' with good looks and money.
Mi-ju's day has gone badly: her career as a musician and a teacher are stalled, a former student threatens revenge for a bad grade, an invitation to a concert reminds her of a friend's fatal car accident, there's a near accident on her drive home, and when she arrives, things are momentarily creepy. That night, a ghost visits her, and everyone in her household, including her dog, her sister-in-law, her husband, and their two daughters, is at risk. Over the next few days, the past takes on new importance. As people die horrid deaths, Mi-ju must discover where the evil resides.