Down-on-their-luck racers Larry and Deke steal from a supermarket manager to buy a car that will help them advance their racing chances. Their escape does not go as planned when Larry's one-night stand, Mary, tags along for the ride.

A ruthless motorcycle gang rides into a California town and terrorizes its denizens.

Adam Knight is a young man who, having tried several jobs, decides to set up an agency, 'Knight Errant '59', to solve other people's problems - whatever they may be. There's plenty of scope and, assisted by former reporter Liz and idealistic young writer Peter, the latter-day Sir Lancelot is kept busy with a variety of curious and exciting cases. The series had two titles, Knight Errant '59 and Knight Errant Limited of which only two episodes exist out of the 75 produced.