巴黎风尘女郎玛格丽特约见华维尔男爵却与青年亚芒认识。后俩人在书店相遇，玛得知亚芒每天送花探病，深受感动邀其参加生日宴会。亚芒见她强颜欢笑更加怜惜，遂对她示爱。当晚男爵回来亚芒吃了闭门羹，懊悔之余斥责她无情，请求父亲资助他出国旅行。玛赶去见他并互吐心意，玛同意和男爵分手随他到乡下调养身体。亚芒父亲

　　Sir Karell Borotyn appears to have been killed by Count Mora, a vampire believed to haunt the local village. Now his daughter Irena is the count'