Every Woman Has A Fantasy(1984)
OVERVIEW
A group of women have regular meetings where they discuss their sexual fantasies. The husband of one of the women becomes obsessed with these discussions, and persuades his wife to secretly tape one of their meetings. Even that doesn't satisfy him, though, and soon his obsession begins to manifest itself in a different way.
TAGLINE:
She won't tell you. She can't tell you. She'll never admit it to anyone.