在这部孪生姐妹剧情/悬疑/惊悚片中,凯若琳和莉莎是一对孪生姐妹。两人相貌酷似，却性格迥异。凯若琳温文尔雅，莉莎则是狂放不羁。凯若琳即将举行婚礼，她写信邀请妹妹参加婚礼，却迟迟未见答复。婚礼前夕，凯若琳老是梦见莉莎出事她被这终日不断的噩梦折磨的心神不安，终于下定决心要去探望远方的妹妹。没想到刚到就得知莉莎因意外丧生。凯若琳不能相信莉莎的死是纯属意外，她决心扮作莉莎的样子展开调查。同时她找到莉莎生前的男友杰米请求...
Caroline, a beautiful medical student travels to London to investigate the mysterious demise of her identical twin, Lisa. Lisa, an aspiring model lives in London as a high-class call girl and suddenly goes missing. A dead ringer for her sister, Caroline's quest becomes dangerous when she assumes Lisa's identity and begins to live her kinky lifestyle. Now from the posh boardrooms and bedrooms of the European elite, to the decadent world of London after dark, Caroline's every step draws her deeper into this seductive double life... and brings her closer to a killer determined to finish the job once and for all.
