金斯艾伯特村里坐落着两座豪宅，“皇家围场”是其中之一，而居住其中的弗拉尔斯太太刚刚过世。
此后不久，她的情人，也就是住在另一所大宅里的罗杰•艾克罗伊德先生便得知，弗拉尔斯太太一年前杀害了自己的丈夫，最终因愧疚而自杀。更重要的是，罗杰还发现她在死之前一直被一个神秘人敲诈。他展开她最后的来信，打算读出那个人的名字，可惜没有人听到。
因为一把短剑插进了他的后颈……

After being rejected from the police college, a mannerly man travels to Bangkok where he and an energetic distant relative must solve a murder case.

Following the excitement of first Bangkok and then New York, a big murder case takes place in Tokyo. Chinatown master detectives Tangren and Qinfeng are invited to take up the mystery. Adding to the excitement are the other detectives on the CRIMASTER international detective list as well as the current top rank, Q. Yet another hilarious battle of wits is set to take place...