Morgan (Ingrid Jungermann) and Kim (Grace Rex) run a radio station together. The main content of the radio station is to focus on real murders in Brooklyn, especially those committed by women. Morgan is a cynical playboy. Although he once had a relationship with Kim that ended without a result, the two are still inseparable. By chance, Morgan met a woman named Simon (Sheila Vand). The dangerous atmosphere exuded by this mysterious woman deeply attracted Morgan and made him fascinated by her. Kim, who saw all this in his eyes, vaguely felt that something was wrong with Simon, so he secretly investigated. But if you don't check it, you won't know. Once you check it, you will be shocked. Simon's dark past and terrible true identity gradually surfaced.