The story of a desperately lonely overweight woman who lets herself fall into partnership with a man who murders women for money. The so-called Lonely Hearts Murders, entwined in voodoo magic and kinky sex, became one of the most sensational cases of the 1940s.

Randy Steven Kraft is an American serial killer known as the Scorecard Killer, the Southern California Strangler, and the Freeway Killer. He murdered a minimum of 16 young men between 1972 and 1983, the majority of whom he killed in California.

Lorenzo Jerome Gilyard, Jr. is an American serial killer. A former trash company supervisor, Gilyard is believed killed at least 13 women and girls from 1977 to 1993. He was convicted of six counts of murder on March 16, 2007.

Anatoly Yuriyovych Onoprienko, aka The Beast of Ukraine, was a prolific Ukrainian serial killer, family annihilator, mass murderer, serial arsonist, and robber active from 1989 to 1996. He admitted to killing 52 people in a seven-year period.

Hadden Irving Clark is a murderer and suspected serial killer who suffers from paranoid schizophrenia. He is currently incarcerated at Western Correctional Institution in Cumberland, Maryland.

Charles Becker was a lieutenant in the New York City Police Department between the 1890s and the 1910s. He is known for the scandal of being tried, convicted, and executed for the first-degree murder of the Manhattan gambler Herman Rosenthal in 1912 near Times Square.

Keith Hunter Jesperson is an American serial killer who murdered 8 women in the 1990s. They called him The Happy Face Killer because he sent letters to the prosecutors and media and drew smiley faces on the letters. At the age of 35, he was standing 6 feet 7.5 inches (2.02 m) and weighed approximately 240 pounds (110 kg).

Joel David Rifkin is an American serial killer who was sentenced to 203 years in prison for the murders of nine women between 1989 and 1993. He is believed to have killed up to 17 victims between 1989 and 1993 in New York City and on Long Island, New York. Although Rifkin often picked up sex workers in Brooklyn and Manhattan, he lived in East Meadow, a suburban hamlet on Long Island.

Beverley Gail Allitt is an English serial killer who was convicted of killing four children, attempting to kill three other children, and causing grievous bodily harm to a further six.

Michel Paul Fourniret, also known as the Ogre of the Ardennes, is a French serial killer who confessed to killing twelve people in France and Belgium between 1987 and 2003.