Shanghai 13, also known as The Shanghai Thirteen, is a 1984 Hong Kong-Taiwanese 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 Kuan-tai, Danny Lee, Bryan Leung, David Chiang, Chiang Sheng, Chi Kuan-chun, Chan Sing, Lu Feng and more.

During the Second Sino-Japanese War era in China, patriot Mr. Gao (Chiang Ming) is dissatisfied with the traitorous acts of the Reorganized National Government of China and together with thief Black Hat (Jimmy Wang Yu), he steals a traitorous contract set up by the government for the Japanese.

Gao plans to bring the contract from Shanghai to Hong Kong and break it to the public, in hopes of exposing the traitorous acts of the Reorganized Government.

Gao becomes the assassination target of the Reorganized Government's interior minister Hung Xu-wu (Seung Fung).

With obstacles ahead and pursuers behind, under the condition of obstruction by the traitors, can Mr. Gao successfully arrive to the dock?