Serpent's Lair (1995)

An erotic supernatural horror thriller centered on a married man, Tom Bennett (Jeff Fahey), who becomes the target of a seductive succubus named Lilith (Lisa Barbuscia). After Tom and his wife Alex (Heather Medway) move into a new home, their marriage is threatened by Lilith, whose mission is to seduce Tom, drain his life force, and destroy his marriage.