American serial killer couple Raymond Fernandez and Martha Beck, who teamed up to con lonely women across the nation, posing as siblings to rob them of their riches.

The 1927 murder of Albert Snyder by his wife, Ruth Brown Snyder, and her lover, corset salesman Henry Judd Gray. Brown Snyder had a double indemnity insurance policy on her husband's life worth $100,000. She had tried to kill her spouse several times, but was unsuccessful. She ultimately turned to Gray for help in the murder plot.

Colm Meaney presents a programme investigating real-life crimes in the age of film noir, beginning with triple homicide suspect Robert Irwin, a wax sculptor who sold his story to finance his defence and escape the death penalty.