No one in town knows for sure why Don Maddox remains in the small town of Black Falls, Massachusetts. Or why a man with no law enforcement background took a part-time patrolman's position on a police force more feared than trusted. What is known is that he has been asking a lot of questions in his off-hours: about the cops' activities; about the recent incursion of crystal meth into the area. But why is he so concerned with the sudden disappearance of a local sex offender? And why does he encourage his girlfriend to conceal their relationship from her cop-wary parents?