 Second Beach Party movie has Frankie, Dee Dee, and the beach gang hitting the Malibu beach for another summer of surfing only to find their hangout beach threatened by a small gang of muscle bodybuilders, led by the dim-witted coach Jack Fanny, who move in next door to them. Things get even more complicated with the arrival of a third party, that of a wealthy Italian contessa, named Julie, with her manager S.Z. Matts, and her lawyer, Theodore, who come chasing after Jack Fanny s muscle group for Julie to court the muscle king Flex Martian. But when Julie turns her sights on Frankie, Dee Dee becomes more jealous than anyone else in the picture.