休斯顿先生是位声誉卓著的私人侦探。他独自经营着一家小小的事务所，生意十分兴隆。一天，一位戴着墨镜的男子前来委托他跟踪一位少女。跟踪？这种事对休斯顿来说是小菜一碟。虽然委托人不愿意透露身份，可是他掏出厚厚一叠纸币，这笔钱远远超过一周工作所应得的报酬，休斯顿 Mr. Houston is a reputable private detective. He runs a small firm alone and his business is booming. One day, a man wearing sunglasses asked him to follow a young girl. track? This kind of thing is a piece of cake for Houston. Although the principal was reluctant to reveal his identity, he took out a thick stack of banknotes, which paid far more than a week’s worth of work, Houston.