Punk rocker Eris Edge was the biggest thing out of Mount Falls, Illinois, until the Side Swiper Killer arrived in the summer of 1987. After a drunken on-stage meltdown gets her kicked out of the band, Eris Edge returns to her small town as a sultry-voiced DJ warning listeners about a growing body count out on Highway 51. The news was on the radio. The danger was just outside her door. Across town, fifteen-year-old Penny Brooks craves attention from her neighbor, Tim Sievers, and an escape from her chaotic home life. She clings to Eris Edge's late-night radio show for comfort. With Mount Falls now on lockdown and the killer's presence drawing near, Penny soon discovers the danger is closer than she ever imagined. Dig too deep, and some secrets won't stay buried. Lola Dubois is writing a tell-all to destroy her mother's reputation. When she reaches out to Eris, still reeling from the betrayal that cost her band, Eris agrees to confide in her. But Lola uncovers far more, revealing the terrifying story of the summer of 1987, when the Side Swiper Killer haunted Highway 51, and the past refuses to stay buried.