You Were Supposed to Marry my Twin

Emily grew up reading mystery novels as a kid. She could have never imagined that she would be the main character in one. After a mysterious text to fly from Los Angeles to Virginia, Emily's whole life becomes flipped upsidedown after discovering her twin sister that she never knew existed. But she was too late. Her sister was dead. Now her killer is forcing Emily to take her twin's place. She must pretend as if nothing happened and marry her twin's fiance, Matthew Davis. But what if her sister's killer is right in front of her face the whole time.