Following the mysterious decapitation of an insurance investigator, Police Inspector Peretti is put onto the case, but all the clues lead to an unsolved case of kidnapping and murder.
Bill, Martha and their little child Hal are spending a quiet winter Sunday in their cosy house when they get an unexpected visit from Mike Nickerson and Tony Rodriguez. Mike and Tony are old acquaintances of Bill; a few years back, in Vietnam, they were in the same platoon. They also became opposed parties in a court martial - for a reason that Bill never explained to Martha. What happened in Vietnam, and what is the reason for the presence of Mike and Tony ?
During an outbreak of violent murders in the area targeting young women, a journalist searching for a female friend gone missing ends up in a villa owned by an eccentric photographer.
A U.S. Senator is spirited away to a secret New Mexico medical lab after a serious car crash. His injuries are completely healed by a secret organization that has developed advanced medical technology. What does the organization want in exchange for saving his life? Meanwhile, a reporter who witnessed the accident decides to investigate the senator's disappearance.
Exotic dancer Nicole finds herself terrorized by a black-clad assailant determined on procuring her murdered father's stolen gems. Fleeing Paris in hopes of evading her knife-wielding pursuer, Nicole arrives in England only to discover that death stalks her at every corner.
A prank that starts with a group of college students creating a fictitious person so they can get a credit card develops into a plot that leaves three of them dead.
In Athens a collection of emeralds is successfully stolen by a team of robbers, led by safe-cracker Azad. Things go smoothly until they miss the ship by which they planned their escape; a police chief pursues Azad while he waits for the next ship to set off.
After a group of young revolutionaries break into a company's corporate headquarters and steal $5,000,000 worth of heroin to keep it off the street, they call on San Francisco Police Lieutenant Virgil Tibbs for assistance.
A series of murders occur that mirror those committed by the Whitechapel Ripper. Through his experiments with psychoanalysis Dr Pritchard discovers a deadly violence in one of his young female patients. As he delves into the recesses of her mind he uncovers that Anna is possessed by her dead father's spirit, willing her to commit acts of gruesome savagery over which she has no control. But the most chilling revelation of all is the identity of her father: Jack the Ripper himself.
In this fictional documentary, U.S. prisons are at capacity, and President Nixon declares a state of emergency. All new prisoners, most of whom are connected to the antiwar movement, are now given the choice of jail time or spending three days in Punishment Park, where they will be hunted for sport by federal authorities. The prisoners invariably choose the latter option, but learn that, between the desert heat and the brutal police officers, their chances of survival are slim.
A Green Beret returns home from the Vietnam war to find that a gang of murderous bikers has killed his fiancee. He calls on several of his Green Beret buddies to come and help him take revenge on the gang.
A detective discovers his son-in-law is cheating on his wife. He confronts the other woman and accidentally kills her, then tries to pin the crime on a local derelict.
Émile targets women he believes are too depressed to go on living. As multiple victims fall to his suffocating white scarf, an inspector resorts to unorthodox methods to get him with the assistance of a potential victim.