Rosé Moon prides herself with her sense of normalcy. Growing up with a single mother who happens to be a successful fashion designer, being the spotlight is the last thing she wants. Bouncing around schools, nannies, and countries multiple times a year or less, Rosé becomes tired of traveling. She decides to settle down as an emancipated minor to attend university. With her mother's frequent visits and her dog, Rosé lives a pleasant and normal life. Her life goes blissfully until her twin sister comes knocking on the door and bleeding from a bullet wound. For the past nineteen years of her life, Rosé Moon has only known of one living relative: her mother. Staring at the unconscious girl with the same face as her, she has no other choice than believe the girl on the floor is her twin sister. Rosé's bubble is popped and she's thrown into a dangerous world without a second to prepare. Instead of paparazzi throwing themselves at her, Rosé must dodge bullets and knives thrown at her.