16-year-old lifeguard Molly Bish vanished in broad daylight from Comins Pond in Warren, Massachusetts on June 27, 2000—and 24 years later, her case remains unsolved. This episode revisits the tragic disappearance and features an exclusive interview with Molly's sister Heather, who has dedicated two decades to solving the case through DNA legislation and victim advocacy. Molly Bish disappeared within minutes of arriving at her lifeguard post, suggesting her abductor may have been watching and knew her routine beforehand.