Sentence:  Four Nottidge sisters fell under the sway of the <WSD>Agapemone</WSD> cult, and lived in a commune whose megalomaniac leader forced them to marry his henchmen but forbade consummation of these unions: arguably, they did need rescuing. 
Meaning of the word marked with <WSD> tags:  The base of a religious sect established in Sussex by the Rev. Henry James Prince in the mid-19th century, or a successor establishment in London, which were associated with free love and polygamy.