Prom Night Longbill Beach 1982. Emily Vaughn dresses carefully for what's supposed to be the highlight of any high school career. But Emily has a secret. And by the end of the night because of that secret she will be dead. Nearly forty years later Andrea Oliver newly qualified as a US Marshal receives her first assignment: to go to Longbill Beach to protect a judge receiving death threats. But Andrea's real focus isn't the judge - it's Emily Vaughn. Ever since she first heard Emily's name a year ago she's been haunted by her brutal death. Nobody was ever convicted - her friends closed ranks her family shut themselves off in their grief the town moved on - so the killer is still out there. But now Andrea has a chance to find out what really happened ...