In 1934, Eva Coo and Martha Clift drove Henry Wright, a fellow employee, to an isolated location in Oneonta, New York. There, Eva bludgeoned him with a mallet and Martha ran over him with a car. Coo and Clift's motive for murder was simply to collect the life insurance that had been purchased on Wright.
Meanwhile, in Texas, Celeste Beard conspires to murder her husband, a retired television executive and self-made multi-millionaire, with her lesbian lover Tracey Tarlton.
And in 19th century Australia, baby farmer Sarah Makin murders innocent infants while collecting money from the children's mothers.