As Ko Sun-young, a beloved TV anchor and late-night DJ, prepares for her last radio broadcast, she finds herself facing a chilling situation. Mid-show, a menacing text message disrupts her routine, demanding she comply with a series of ominous instructions. The stakes escalate when she learns that her family’s lives hang in the balance, forcing her to navigate a treacherous game of manipulation and desperation. With time running out, Ko must muster all her strength and wits to protect her loved ones while delivering her final broadcast.