The novel "Y is for Yesterday" by Sue Grafton marks the penultimate entry in the beloved Kinsey Millhone series. Set in the 1980s, it follows private investigator Kinsey as she unravels a decades-old crime linked to a shocking incident involving a group of teenagers. The story intertwines past events with present-day implications, showcasing how the actions of youth can echo throughout the years.
Kinsey is drawn into the investigation when she is hired to look into the re-emergence of a criminal who terrorized her community. This case forces her to confront the darker aspects of human nature, as well as the complex relationships stemming from the original crime. As she delves deeper, Kinsey must navigate the tangled web of lies, guilt, and redemption that characterizes the lives of those involved.