Pete and Mac follow the pro tennis circuit to track down a murderer. When a star tennis player is shot on the court, the team's coach enlists the help of his old friend, Pete Ryan, in locating the killer responsible.

Pete and Mac enter the perilous world of Grand Prix racing to solve the mysterious death of a top racing driver.

Pete takes on the role of movie studio security officer while Mac toils before the camera to find a star's would-be murderer.