Producer and star Eric Tsang states the film pays tribute to the Golden Generation of the movie industry.

Mao is responsible for guarding Huang Jin Xia town, which have gathered many revolutionaries around China.

Revolutionary Tieyun (Felix Wong) and his like-minded comrades raid a desert and smuggle gold there, preparing to purchase firearms for another uprising.

Zhuo arranges for Tieyun to go to Huang Jin Xia to meet the heroic Master Mao.

But with the arrival of Tieyun, Huang Jin Xia's peaceful environment was broken, and the retired revolutionaries once again display their heroism and fight for the dignity of the country.