Dreams in the Forbidden Zone (1988)

Erica and Allan have the perfect marriage until, while playing sex games, he accidentally dies. Erica is guilt ridden and grief stricken until visited by Allan's spirit. Forgiving her and comforting her, he presents her with a book of dreams from beyond which thrusts her into a series of confusing, fanciful, sexual adventures and sends her on an odyssey of erotic self discovery.