Country: South Korea
Sun-young is a popular radio DJ with a big fan base for a cinema music midnight program that is aired live. She is a perfectionist who has built a successful career for the past 7 years, but when her daughter is in need of an operation overseas, she decides to quit. She prepares for her final show from song selections and comments down to the smallest details. During the show, she receives a call from a listener named Dong-soo. He tells her that she must follow his orders while she hosts her live radio show, or her family’s lives are at stake, and threatens that she can’t tell anyone. Without knowing what he wants and why this is happening to her, she continues her 2 hour radio program to save her family as they get killed one by one.