A girl with a secret... Longbill Beach, 1982. Emily Vaughn gets ready for prom night, the highlight of any high school experience. But Emily has a secret. And by the end of the evening, she will be dead. A murder that remains a mystery... Forty years later, Emily's murder remains unsolved. Her friends closed ranks, her family retreated inwards, the community moved on. But all that's about to change.One final chance to uncover a killer... The stunning new standalone thriller from international #1 bestseller Karin Slaughter.