Millions in diamonds are stolen from a New York City safe, and later the burglar is killed. Shamus is paid $10,000 by the owner to find the diamonds or the killer.
Two New York City cops investigate a drug-smuggling ring that they believe is run by New York-based foreign diplomats.
Paul Kersey is again a vigilante trying to find five punks who murdered his housekeeper and daughter in Los Angeles.
A boozing young man in love with his co-worker finds that everyone around him, even his pompous and condescending best friend, is changing into a rhinoceros.
In crime ridden New York of the seventies two cops has had enough. They decide to take justice into their own hands. Things turn exciting and humorous. No hoodlum goes safe.