Description：The beautiful and popular DJ Go Sun-young (Soo Ae) is a self-reliant and capable single mother. In order to treat her daughter Eun-soo's increasingly serious condition, she decided to stop her 5-year DJ career and take her daughter to the United States for medical treatment. However, on the last night of the live broadcast, a terrifying shadow struck Sun-young's family. The cold man Han Dong-soo (Yoo Ji-tae) broke into her home and kidnapped her sister Ya-young and the children. Han Dong-soo is a super fan of Sun-young. He remembers every detail of Sun-young's previous programs. In addition, he is a terrifying serial killer. Dong-soo connected by phone and forced Sun-young to host the program according to his requirements. What was supposed to be the last night spent with fans with some sorrow and reluctance turned into a sleepless night full of terror and blood, and the lives of relatives were hanging by a thread...