少女卡罗尔因她哥安德鲁的出乎预料的死亡,而跟她朋友罗伯特一起去英国,住在她嫂子菲奥娜家,她很快发现她的同伴卷入一个邪教,不幸即将降临到她身上......A young woman travels with her partner to England on the unexpected death of her brother. Staying with her sister-in-law, she finds her companion soon drawn into a satanic cult based in the house whose rites seem to centre somewhat on large-scale sexual congress.