Firenze's leading, very wealthy jewelers family heir Francesco Sabrini received a cryptic death treat on the back of a renaissance painting in their private attic collection. A masterly forgery was offered in Fabio Milus's Roman auction house, but German-born art expert Susanna Noll kept it back for investigation in he artist's home city, Florence, to consult her art history mentor, professor Andreas von Weissenfels. There she stays with friend Elisabeth Lanzi, who introduces here to Francesco and his family. During their research, which unearths modern crime with a link to a Renaissance-rumored fratricide, initially secretive Francesco and Susanna become lovers

　　史蒂芬.罗伯特，在国际上名声赫赫的大坏蛋，没有人见过他，除了一个人，那就是他的亲信纳努。
　　里希一直想找史蒂芬.罗伯特，通过一名过世警官的孩子那拿到一份史蒂芬.罗伯特的资料，但很遗憾，上面没有相片。他们想出一个办法，接近纳努的宝贝女儿南蒂妮，从她手中拿到史蒂芬.罗伯特的相片。于是，里希飞去曼谷追求南蒂妮。
　　很快，南蒂妮爱上了里希，并帮助里希拿到了史蒂芬.罗伯特的视频。南蒂妮一直以为里希是个内心柔软的男生，不爱打架。但是，她却亲眼见到了冷酷的他，杀人毫不留情，这究竟是怎么一回事？难道里希说爱她全是欺骗她的？