Candy Montgomery and Betty Gore had a lot in common: They sang together in the Methodist church choir, their daughters were best friends, and their husbands had good jobs working for technology companies in the north Dallas suburbs known as Silicon Prairie. But beneath the placid surface of their seemingly perfect lives, both women simmered with unspoken frustrations and unanswered desires.

On a hot summer day in 1980, the secret passions and jealousies that linked Candy and Betty exploded into murderous rage. What happened next is usually the stuff of fiction. But the bizarre and terrible act of violence that occurred in Betty’s utility room that morning was all too real.