Dr. George Dumurrier is looking for money to expand the San Francisco based clinic he runs with his brother. He is also having an affair with Jane, a glamorous fashion photographer. When Dumurrier's wife Susan dies following an asthma attack, leaving him a million dollar insurance pay-out, it seems that all his problems are solved - ...

An elderly heiress is killed by her husband who wants control of her fortunes. What ensues is an all-out murder spree as relatives and friends attempt to reduce the inheritance playing field, complicated by some teenagers who decide to camp out in a dilapidated building on the estate.

After several coeds are murdered at a college, a professor who is who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.

An American writer living in Rome witnesses an attempted murder that is connected to an ongoing killing spree in the city, and conducts his own investigation despite himself and his girlfriend being targeted by the killer.

A reporter and a blind, retired journalist try to solve a series of murders. The crimes are connected to experiments by a pharmaceutical company in secret research. The two end up becoming targets of the killer.