Four teen-agers who have desperately tried to conceal their responsibility for a hit-and-run accident are pursued by a mystery figure seeking revenge.

Cary finds her life in danger when she uncovers a plot to sabotage her father's political campaign for governor of Texas.

Following an act of vandalism against her father's girlfriend, seventeen-year-old Abbie is paired by the court with Mrs. Merkel, an eccentric elderly woman who is a member of the town's crime prevention group. When Mrs. Merkel is attacked and hospitalized after bragging that she is onto something, only Abbie, with the help of Mrs. Merkel's quirky notes, is in a position to find the assailant.