Billy is a young fighter whose sister Judith was hurt after a near gang rape. When he learns she must have surgery, crime boss Russell has Billy compete in illegal street fights. When Billy learns he may get killed, he quits but is later killed by Russell and his men, who were the ones responsible for Judith's accident. After his death, Billy must rely on one man to seek revenge for him: his best friend David. However, David must train in the martial arts before he can seek revenge. Davidy seeks guidance from the ghost of Billy as well as Billy's trainer and ally, Murphy.

After six years as a guest of the state, mob hit man Jason Reed wants nothing more than to get an honest job and spend time with his young son, Tommy. He is not ten steps outside of the prison before being greeted by Keither, an old crony anxious to pick up where they left off. While out for a drive with his son, Jason saves a young woman from a gun wielding thug, not realizing that he has just managed to ruin Keith's plans to recover some stolen heroin. While fending off various retaliatory attacks from his old buddies, Jason must also deal with his ex-wife, a reformed drug addict who has returned from out of nowhere intent on re-uniting with Tommy.

Tony, the new kid at school, befriends gang leader Young, whose top rival is Chan. When Young defeats Chan in battle, two mysterious men offer Tony and Young jobs at a security agency, with one of their new clients being among the city's most notorious drug dealers.

When a psychotic martial artist called Stryker resurrects the long-dead spirits of three ancient Chinese master assassins in an effort to take over the New York underworld, it's up to supercops Tarek Richards and Linda Masterson to stop him. However, it's not so easy to battle the undead, and though Richards apparently holds within him the key to defeating these "Masters", he will need the guidance of Stryker's former master to aid him... let the battle begin.

In this sequel, Scott Wylde, an American kickboxer, must go to Cambodia to rescue his Vietnamese girlfriend from Russian and Vietnamese troops.

Jake, a New York policeman poses as an actor to expose the making of martial-arts death movies in Thailand.