Succubus (2001)

Carl and Terry's marriage is in danger. Constantly at odds, it looks as though they are ready to give up. That is until Lillith suddenly comes into their lives. Thinking they accidentally hit her in a car accident, the couple takes her home to make sure that this strangely beautiful woman is as unharmed as she seems. What they don't realize is that Lillith is the one ready to do harm. Using her dark powers she shows them their hearts' true desires and ultimately leads them on a path of unbridled passion that just may take them straight to hell.