In 1980s Hong Kong, troubled youth Chan Lok-kwun, a mainland refugee, struggles to survive in the Kowloon Walled City by joining underground fights. Betrayed by crime boss Mr. Big while trying to buy a fake ID, he steals drugs from him and seeks refuge in the Walled City, where he encounters Cyclone, a compassionate yet authoritative crime lord.
After failing to save his wife from 'The Doctor', Kit Li is working as a bodyguard and secret stunt double for the cowardly martial arts film star Frankie Lane. Frankie attends an exhibition of the crown jewels of Russia at a Hong Kong hotel, and when the Doctor's gang take over the building in attempt to steal them, Kit is the only thing standing in their way. Will Frankie regain his courage? Will romance blossom between Kit and the nosy reporter? Who has the best Kung-Fu?
A violent fugitive on the run from the law makes his way from Hong Kong to South Africa, where he discovers that he's immune to the Ebola virus, and later returns home to spread the deadly disease.
