Bong got partial inspiration to write the film from an incident of two live-in-maids/ Christine and Lea Pain, who murdered their employers in France during 1930.
Bong ໄດ້ຮັບແຮງບັນດານໃຈບາງສ່ວນໃນການຂຽນຮູບເງົາຈາກເຫດການສອງຜົວເມຍທີ່ມີຊີວິດຢູ່ / Christine ແລະ Lea Pain, ເຊິ່ງໄດ້ສັງຫານນາຍຈ້າງຂອງພວກເຂົາຢູ່ປະເທດຝຣັ່ງໃນຊ່ວງປີ 1930.