Final film of actresses Tala Birell and Stephanie Bachelor.
They are in a honeymoon and he gave a hint about a lot of sexual intercourse.
She talked to him "we must warn her, there things much worse than death", she means rape. But the Code forbade words like sex, sexual intercourse, rape, etc... So they were sex innuendos.
One of the girls lived alone, so she was raped and killed.