This is an atmospheric sex-horror, akin to “Jesus Christ: Serial Rapist.”
A perverted landlord rents a house to a schizophrenic. The schizophrenic is pre-occupied with religious images. The landlord decides to go on a rape spree, making sure to alter the crime scenes in ways that will incriminate the mentally ill tenant. Will the vile rampage go unchecked?
“I'll do unto others what I want to do to you!” An unfortunate woman is kidnapped and subjected to deranged abuses. When she resists, her captor warns her that if she does not comply with his wishes, he will seek a new victim, but that other woman will e killed after his wishes are fulfilled.