Happy Go Lucky(1987)

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.