A cop who loses his partner in a shoot-out with gun smugglers goes on a mission to catch them. In order to get closer to the leaders of the ring he joins forces with an undercover cop who's working as a gangster hitman. They use all means of excessive force to find them.
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.
Cheung Sung-bong is a highly respected cop with a long history of success in dangerous cases. However, his past soon comes back to haunt him when a former protégé resurfaces, seeking revenge.