Sixteen-year-old Mary Elizabeth's summer job at an expensive health club turns out to be more exciting than she bargained for when a series of mysterious events culminate in murder.

With her brother in a coma following a hit-and-run accident, a high school senior investigates the incident, stirring up animosity in the small, tight west Texas community where her family has recently moved.

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.

Sixteen-year-old Julie agrees to spend the summer at her great-aunt and uncle's ranch in Texas, but gets more than she bargained for when valuables suddenly start disappearing and it appears that there may be a murderer in their midst.

What is the secrect buried in the time capsule that was found by the gang?

Emily is sent to a camp for underachievers where she discovers a murderer on the staff who might provide an explanation for her recurring nightmares.

Two priceless works of art have disappeared from the Redoaks Museum. It is up to Brian and Sean to help solve the mystery.

Brian and Sean investigate a series of suspicious accidents at a theater waiting to be torn down.

Charles Collier thinks that he can see eyes that peer out from the walls of his new house, so he comes to the Casebusters to see if they can find out if his new house is really haunted.