Terry is a tough, mercenary, master of martial arts. When an important business magnate dies, leaving billions to his daughter, the Mafia and Yakuza try to hire Terry to kidnap the daughter. When they refuse to meet his exorbitant price, then try to kill him to conceal their secret plans, he promptly offers his services to protect her. Much ultra-violent martial-arts fighting action, as expected, ensues. This also includes a subplot of a family's bloodfeud with Terry over a disputed debt.

Bison, the ruthless leader of the international terrorist organization Shadowlaw, has been desperately searching for the greatest fighter on the planet for years. He finds it in Ryu, a young wanderer who never stays in one place long enough for Bison to find him. He does, however, get a fix on Ken Masters, an American martial arts champion who studied with Ryu as a child under the same master. Meanwhile, Major Guile of the United States Army is forced to team up with Chun Li from China in hopes of apprehending Bison and putting a stop his international ring of crime.

Col. William Guile leads an army of soldiers into the country of Shadaloo to find traces to lead him to General M. Bison, who has captured many people including three missing soldiers. Among them is Carlos "Charlie" Blanka, in which Bison decides to turn into a hideous mutant. On the other hand, Chun Li is a reporter who seeks revenge against Bison for the death of her father years ago. Then two small time hustlers Ryu and Ken, are arrested along with Sagat, a powerful arms dealer and Vega for dealing of illegal weapons. Guile recruits them in order to find Bison's base. Now Guile, T. Hawk, Cammy, Ryu, Ken, Chun Li, Balrog and E. Honda have three days before Bison murders the hostages and takes over the world.

This time Koryu heads to Yokohama in search of a woman named Birei, kidnapped by diamond smugglers who move their hot rocks by surgically implanting them into the nubile buttocks of Chinese prostitutes. Koryu's older sister, working as a jewelry designer, is secretly if unhappily involved with the gangsters.

Although not an official sequel (Shihomi plays a different character), the film is often referred to as a sequel to the series. Kiku Nakakawa, the only daughter of an old kimono shop owner in Kyoto, is enthusiastic about karate. In order to help her friend Michi avenge her brother, she sneaks into a movie studio in Kyoto where a drug dealing syndicate is based.

Lee Long is a martial-arts champion who the police use as an undercover agent to infiltrate a drug ring responsible for importing heroin from Japan to Hong Kong. When he is identified and imprisoned, the police pressure his sister, Tina Long, to help them locate and free him. She gets the help of Lee's martial-arts school, including the powerful Sonny Kawasaka, for the inevitable battle-royale with the drug gang, which includes masters of many different 'schools' of fighting.