In "What The Dead Know" by Laura Lippman, a woman claiming to be one of the two missing Bethany sisters suddenly appears after thirty years, setting off a chain of events that forces the police, the media, and the families involved to revisit the unsolved case. As the truth slowly unravels, secrets from the past are exposed, revealing the devastating impact the disappearance had on the family and the lingering effects it has had on those left behind.

In this captivating novel, a young girl named Marsha recounts a summer in the 1970s when her suburban neighborhood is shaken by a shocking crime. As tensions rise and suspicions grow, Marsha becomes obsessed with uncovering the truth behind the crime, all while navigating her own complex family dynamics and the challenges of adolescence. With a keen eye for detail and a masterful portrayal of the human psyche, the author crafts a compelling narrative that explores themes of guilt, deception, and the lasting impact of traumatic events on a community.