Watch Witchouse III: Demon Fire for Free: How to Stream the Movie Online at 123Movies. . A young woman leaves her abusive boyfriend to go and stay with her two best friends, documentary makers Stevie & Rose. After an evening of sipping wine in the hot-tub, the three women decide to dabble in a bit of black magic as part of Stevie's latest project, an in-depth expose on contemporary witchcraft.