Ricky's girlfriend, Charlene, has disappeared, and Ricky's mom wonders whether he's responsible. Despite reassurances from her husband, a police officer, Maggie is worried that Ricky's new black garb and tattoos signal a dangerous change of outlook. What's more, Charlene's disappearance echoes another case 20 years earlier, stirring community concerns. A parent's big nightmare, with standard cold-case parallels. Unger keeps building.