Cave Girl Island

This plot could only have been conceived by a madman, and that too on what must have been a particularly bad day! The credits were conveniently skipped, presumably for the safety of those who first dreamed up this bizarre plot, and then dared to go ahead and make a movie out of it.

A spaceship from outer-space crashes onto Earth, carrying in its tow three bimbos, whose dresses (whatever little managed to stay on) came out of lesser cloth than required to make an average kerchief. Well, it seems they have chosen to crashland into some weird private island, owned by ....