The Seaford, Delaware high school class of 1984 gathered to celebrate their first reunion, but the celebration is a sad one as three of the members, Harriet, Jeanne, and Horace are found murdered. The FBI is asked to help in the investigation. Agent Bill Carle reviews the Seaford Polices report of the deaths and learns that two of the class members mentioned in the report were close friends of his when he was attending the University of Delaware. He requests and is given the assignment.
The story follows the interviews of the class members which only widens the search for the killer as events back in high school raise more and more possible motives for the murders. Two old relationships that went awry in their school years are brought together again which gives the story a happy ending as the murders are finally solved