Ignacio Pereztrona (Vic Cicuta / Víctor Melman) is a tough anti-drug police officer, after being captured by a gang of drug traffickers who decides to prostitute him and become addicted to the "deadly drug" of marijuana, until he manages to escape. . .and take revenge.
Billy Wong is a New York City cop whose partner is gunned down during a robbery. Billy and his new partner, Danny Garoni, are working security at a fashion show when a wealthy man's daughter, Laura Shapiro, is kidnapped. The Federal authorities suspect that Laura's father is involved with Mr. Ko, a Hong Kong drug kingpin, so the NYC police commissioner sends the two cops to Hong Kong to investigate.
In New York, racist Capt. Stanley White becomes obsessed with destroying a Chinese-American drug ring run by Joey Tai, an up-and-coming young gangster as ambitious as he is ruthless. While pursuing an unauthorized investigation, White grows increasingly willing to violate police protocol, resorting to progressively violent measures -- even as his concerned wife, Connie, and his superiors beg him to consider the consequences of his actions.
Robert McCall, who serves an unflinching justice for the exploited and oppressed, embarks on a relentless, globe-trotting quest for vengeance when his former partner is murdered.
When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.
Nico Toscani is an Italian immigrant, American patriot, ex-CIA agent, aikido specialist and unorthodox Chicago policeman. He is as committed to his job as he is to his personalized brand of justice—expert and thorough bone-crushing.