When the actor who portrays TV's "Superstone" walks off the job, Fred is recruited to fill in and play him, but he is framed by two thugs who knock him unconscious, dress in his costume, and steal the cash box.

The Flintstones and Rubbles travel to Rock Island beach when there is a big surfing contest judged by singer/actor Jimmy Darrock (special guest starJames Darren). Fred and Wilma decide to enter the surfing contest, even though Fred can't surf.