show of antique swimsuits; bare-kneed bathing beauties play leap frog; CU model in collared swimsuit, fancy cap; CU with fancier cap, tassel, swimsuit with long skirt resembling awning; 3 models with arms around each other, sway, bounce in suits, caps; female cop chases girls in brief suits on beach; 'copette' enforces law, rowboat lettered ATLANTIC CITY LIFE SAVERS(?) BG; CU 'copette'; girls in daring suits congregate on street; girls play leap frog;