In a small town, a detective investigates a series of murders that appear to be connected to a psychopath. As the investigation unfolds, secrets and dark desires are revealed, leading to a thrilling and suspenseful climax.

Fred Williamson chop-sockeys his way through this popular blaxploitation adventure as Jefferson Bolt, a Kung Fu expert assigned to deliver a cool $1 million to Mexico City from Hong Kong with a stop in Los Angeles. When Bolt discovers the cash is dirty mob money and his gal has been killed, he heads back to the Far East to get even.

A priest (Robert Ginty) learns that he fathered a child during his tour of duty in Vietnam and that the mother and child has relocated to Houston, Texas in the Little Saigon quarters. Searching for them, he also finds massive prejudice against the Vietnamese people, particularly among the fishing community in which they are trying to work. Setting out to right the wrongs, the priest tends to use more fisticuffs than friendly, priestly persuasion.

Two men and a woman, all friends and martial arts experts, visit Hong Kong, where they grew up. When the woman disappears, the men find out that she has been kidnapped by white slavers, and find themselves battling a gang of kung-fu killers in an attempt to rescue their friend.

An American intelligence agent, aided by a Chinese-American female agent, uses a time-travel belt to thwart Chinese operatives who are attempting to import to Los Angeles the materials to make an atomic bomb.

A young Japanese-American orphan in California is taken in by a priest who is actually a Japanese secret agent and a samurai warrior. Due to the samurai's training, the boy murders his English teacher, kills the American parents who have adopted him, smuggles Japanese secret plans into the country, and eventually becomes the governor of California with plans to infiltrate Japanese spies into the state so they can take over.