A deranged female serial killer stalks seven young people whom phone a radio call-in show to discuss their darkest fears and a night-long game of cat-and-mouse is put into motion by the darkly sinister-looking murderess. A deranged female serial killer stalks seven young people whom phone a radio call-in show to discuss their darkest fears and a night-long game of cat-and-mouse is put into motion by the darkly sinister-looking murderess. A deranged female serial killer stalks seven young people whom phone a radio call-in show to discuss their darkest fears and a night-long game of cat-and-mouse is put into motion by the darkly sinister-looking murderess. A deranged female serial killer stalks seven young people whom phone a radio call-in show to discuss their darkest fears and a night-long game of cat-and-mouse is put into motion by the darkly sinister-looking murderess.