Jae Pil used to run a karaoke with his mother. At some point, Jae Pil will receive text threats from an unknown person. Then one day, after a small fight with his brother, he turned violent. After that, he apologetically went back to his younger brother, however, he was unconscious. Then, he got the text threat again.
Jung-Woo (Kim Sung-Su) is a neurosurgeon and also works in bioengineering research. He is married, but has an ongoing relationship with Yoo-Gyeong (Han Go-Eun). She is a doctor and stands by Jung-Woo. Yoo-Gyeong has a mysterious accident one day and her hand is cut off in the accident. Thanks to Jung-Woo's quick thinking, her hand is reattached successfully with surgery. Yoo-Gyeong's health improves after the surgery, but bizarre events take place around her constantly.
Kim Jang-Ho
Young is a nameless actor who dreams of becoming a big movie star. Then one day, he makes his breakthrough with a film and becomes a star overnight.
Won-gil
A movie director who also produces films, goes to Gangneung on the weekends to get away from his tiring Seoul life. Meanwhile, a woman who works as a home health nurse in Gangneung travels to Seoul on the weekends for its culture. These two people then meet.
