阿伟（梁朝伟 饰）只是公司里的一介小小劳工，然而，主意满满的他对上司的种种行事方法颇有异议，更是屡次暗中阻挠。美娜（蓝洁瑛 饰）是康少的女友，却被霸道贪婪的人头马觊觎，人头马不顾美娜已经名花有主的事实，想尽了各种方法要得到她。阿伟将人头马的心思看在眼里，见招拆招，在暗中帮助康少，然而，随着时间的推移，他竟然亦爱上了单纯善良的美娜。

Tony Leung plays Wai, an apple polisher working in a finance company co-managed by Ma and Kang, both being brothers. Kang is the good brother, Ma, the bad one. Wai tries to set Kang up with Mina to prevent Ma from getting her, but Kang likes Jackie, especially after saving her from prostitution. Wai later reveals to Kang that he likes Mina, but is afraid Kang will be angry with him, besides the feelings between Mina and him are mutual.