Spellbinder (1988)

Across a dark street in Los Angeles, a beautiful young woman is being brutally assaulted by an abusive boyfriend. Young lawyer Jeff Mills rushes to the woman's defense - and crosses into a world of unimaginable evil. On the surface, the young woman, Miranda Reed, is a dream come true, the perfect lover, a miracle healer and a soulmate. Before two days have passed, Jeff lives a real-life nightmare, an encounter so intense, death is almost merciful. Because Jeff learns that Miranda is a fugitive from the witches coven (to which she belongs) and they want her back. Back in time for a human sacrifice by the Unholy Night of the Winter Solstice.