Shanghai 13

Shanghai 13, also known as The Shanghai Thirteen, is a 1984 Hong KongTaiwanese martial arts film written and directed by Chang Cheh and starring an ensemble cast of notable film stars such as Andy Lau, Jimmy Wang Yu, Ti Lung, Chen Kuantai, Danny Lee, Bryan Leung, David Chiang, Chiang Sheng, Chi Kuanchun, Chan Sing, Lu Feng and more.

In order to ensure a smooth arrival of Mr. Gao and the contract to Hong Kong, Shanghai Tycoon Shen Gangfu Chen Kuantai decides to send his underlings, the Shanghai 13, to protect Gao while on his way to the dock. Unexpectedly, there are moles among themen who betray Gao and Shen. With obstacles ahead and pursuers behind, under the condition of obstruction by the traitors, can Mr. Gao successfully arrive to the dock? Are the Shanghailoyal or evil? On the road to the dock, there are murderous traps everywhere and bloody battles appear one after another.

Source: Wikipedia