A conclusion to the best-selling trilogy that also includes the Edgar Award-winning Mr. Mercedes and Finders Keepers finds mental patient Brady Hartsfield manifesting powers to commit deadly acts without leaving his hospital room, while retired detective Bill Hodges and his partner investigate a suicide with ties to the Mercedes Massacre.

Preparing to retire early from an unfulfilling teaching job, Liam Pennywell struggles to recall missing memories of the night before he awoke in the hospital with a head injury, an effort that leads to unexpected discoveries.

Anticipating a relaxing retirement, Father Tim returns to his hometown for the first time in decades when he receives an anonymous summons, an event that leads to his discovery of long-buried secrets and new people.