A group of friends working as house cleaners are doing their jobs in an old bungalow. Later they find out that the bungalow is inhabited by a spirit

身为警察的美女三人组，为破不了案件而发愁。就在几人苦苦追寻线索的时候，科学家研制出了新型的药物可以获取别人的记忆，但是这么危险的药物还为试验过。女警为了破案甘愿牺牲自己去试验。真相就此浮出水面