Best Investigation movies of 1981

Actors : George Lam, Kee-chan Tang, Teddy Robin Kwan, Karl Maka,
Directors : Hark Tsui,

A private investigator and a police inspector team up to pursue a notorious mobster, who is plotting to milk an old millionaire out of his highly-valued stocks and bonds. Along the way, the...

Actors : Kwok Kuen Chan, Erik Chan Ka Kei, Shao-Chia Chen, Fei Ai,
Directors : Yuen Chor,

Liu Yung and Sun Chien (the Korean kicking The Five Venom from Chang Cheh's internationally popular series) team up to investigate the martial-art murders of a supposedly mortally wounded ...

Actors : Alexander Rei Lo, John Liu, Chung-Hsing Chao, Hung Chi Chang,
Directors : Hsin Yi Chang,

"Northern Leg", Shao is out to find his brother's killer. When the evidence points to "Southern Fist", Lu, he comes to realize his brother's killer is not Lu. After some bloody fights, Shao...

Actors : Janet Agren, Pippo Franco, Franco Bisazza, Daniela Poggi,
Directors : Pippo Franco,

A cartoonist overcomes his jealousy towards his wife's psychoanalyst by killing him in one of his strips. When the doctor is found dead, the police start an investigation and seek the cartoonist first.

Actors : Carter Wong, Lan Chi, Nancy Yen, Lieh Lo,
Directors : Chung Wang,

A large quantity of gold is stolen from the government, so undercover martial arts constables do there detective work to find out the culprits and the whereabouts of the bullion. Awesome ...

Actors : Xun Bao, Bingjie Han, Xiong Xiao, Zhongqiu Huang,
Directors : Bin Liu,

Public Security officers investigate the robbery of a post office and the injury of a young woman.

Actors : Narayan Rao, Lakshmi, Madhavi, Chiranjeevi,
Directors : S.A. Chandrashekhar,

As a young boy, Chiranjeevi sees the murder of his father and sister, but the killers are released because of lack of evidence. This enrages him and he is out to seek revenge in a way not ...

Actors : Talivaldis Abolins, Igrida Andrina, Lilita Berzina, Romualds Ancans,
Directors : Janis Streics,

In one of the prestigious restaurants during banquet speech a large company's director Palmgren is killed in front of dozen guests . Case is lead by Criminal Investigation Officer Pierre ...

Actors : Chung Wang, Ray Lui, Kent Cheng, Yung Chan,
Directors : Chung Wang,

Crank and Fatty, two remarkably incompetent cops whose inept investigations lead to rape, torture, duplicity, and murder.

Actors : Mary Concepcion, Dan Inosanto, Kija Manhare, Jackson Bostwick,
Directors : John Steven Soet,

When Janet Duarte's sister Nancy (Mary Concepcion) is killed in a fight, Janet (Kija Manhare) sets out to investigate her sister's death using her skills in escrima. Janet teams up with ...

Actors : Tsun Liu, Wai-Hung Liu, Tai-Bo, Hsueh-Ming Liao,
Directors : Kuen Lam,

Two private investigators who were sworn enemies are teaming up against their will to solve a jewelry robbery.