In 16th Century China, Ming guard Fong Sau-Ching (Yuen Biao) relentlessly tracks the ruthless villain Fung San (martial arts legend Yuen Wah). After Fung San steals the priceless and magical Black Jade Buddha, a titanic martial arts encounter atop a cliff ensues and is only ended when the two men tumble into a glacier where they are instantly frozen. Mistakenly thawed out four hundred years later, Fong Sau-Chin must continue his pursuit of his quarry although to survive in 1980s Kowloon with the confounding discovery of electricity, TV and toilets, he"s going to need a little help from femme fatale Polla (Maggie Cheung)!