在城市昏暗角落有一对母女，她们已经两百多岁但一直维持着十六岁的模样，原来她们都是吸血鬼。母亲从事皮肉生意，因而得以经常吸食年轻人的血液。女儿则比较善良，她总是找一些垂暮老人并征得他们同意后才吸血。因母亲吸血而死的人越来越多，警察开始注意到她们，无奈她们逃到一个偏僻的地方，一个男子收留了她们并把一个破旧的旅馆借给她们容身。母亲很快又在这里开始了皮肉生意，而女儿却想过平凡的生活。不久女儿结识了一个让她心动的男人杰斯，只是杰斯已病入膏肓不久人世。女儿非常伤心，为了不留遗憾她把自己的故事写下来交给杰斯。原来两百年前，母亲还是一个十六岁的小女孩，她结识了少年军官大卫和上尉约翰。大卫很喜欢母亲，然而约翰却占有母亲身体还将她卖进妓院。母亲在妓院生下女儿，母女俩相依为命。谁知后来母亲患上肺痨，大卫此时也病入膏肓。大卫受高人指点找到变吸血鬼获得永生的办法，母亲得知偷偷把自己和女儿都变成吸血鬼。后来她们无意违背了吸血鬼家族的规矩，现在她们时刻都面临吸血鬼家族的追杀…

There is a pair of mother and daughter in a dark corner of the city. They are over two hundred years old but have maintained their sixteen-year-old appearance. It turns out that they are both vampires. The mother traded in flesh and blood, and thus was able to drink the blood of the young on a regular basis. The daughter is kinder, she always finds old people who are old and asks for their consent before sucking blood. More and more people died because their mothers sucked blood, and the police began to notice them, but they fled to a remote place. A man took them in and lent them a dilapidated hotel. The mother soon started a skin business here again, while the daughter wanted to live an ordinary life. Soon her daughter met Jess, a man who made her heart flutter, but Jess was terminally ill and passed away soon. The daughter was very sad, so she wrote down her story and gave it to Jess in order not to regret it. It turned out that two hundred years ago, the mother was still a sixteen-year-old girl, and she met the young officer David and Captain John. David liked his mother very much, but John took possession of his mother's body and sold her into a brothel. The mother gave birth to her daughter in a brothel, and the mother and daughter depended on each other for life. Unexpectedly, his mother suffered from tuberculosis later, and David was also dying at this time. David was instructed by an expert to find a way to become a vampire to gain eternal life, and his mother learned that he and his daughter were secretly turned into vampires. Later, they unintentionally violated the rules of the vampire family, and now they face the pursuit of the vampire family all the time..