Based on the hit short film Full Disclosure, The Black Spot follows an agent in the International Off-world Trade Federation as he uncovers some dark secrets. He is forced to go on the run with a space veteran and psychic teenage girl as they get hunted by a mysterious assassin.
To survive, Huang, former opium trafficker, engages in illegal karate fights, a discipline which he is the undisputed master. He is contacted by Interpol, who asked him to infiltrate the opium networks of the Golden Triangle. At a secret meeting in Manila, Huang contacts Wei Chen, Hong Kong network leader, who entrusted him with an important mission in Thailand. Hung discovers that then heroin takes on a new road and interpol does not know the new road. Quickly suspected by traffickers, Huang with the force of his fists, engages a death struggle against the drug cartel.