1981 film by Joe D'Amato, Bruno Mattei

Mark Shannon discovers he has got some sort of disease which requires his genitals completely removed. So he heads off to the Caribbean to try and make the most of the time that's left before the operation.

Three escaped convicts hide out on an island with four girls along with their two body guards who are enjoying there vacation... until the three escaped convects show up and kill the two body guards. The women then are forced to have sex with the men. To make matters worse all of the women are virgins. But one of the men decides who is the "good" man in the bunch decides to help the women, but fails. The women soon take revenge and kill the remaining two convicts.

强尼是一名房地产开发商，他看中了一个无人海岛，欲把它改为私家度假地，便伙同船长乔治和一位新结识的女朋友前往岛上查看。但一登上小岛发现岛上生活着一个盲眼老人和一位少女，他们警告来到岛上的三人马上离开，否则有杀身之祸。强尼认为老人是勒索钱财，故而口出不逊激怒了老人。之后老人悄悄塞给船长一个护身符，以此来保护他。强尼独自上岛幽会少女，却被杀死。船长二人上岛寻找强尼，又被僵尸围困，凭借着护身符的力量，二人活了下来，但是却都精神失常……

A man is doing research on an island where a strange tribe lives. The man's wife gets into a (sexual) relationship with a woman from the tribe and brings her back to the big city where problems begin to occur.