One of the most heinous crimes to ever go unpunished in Colorado's history has remained a mystery for nearly 20 years. Only those who committed the rape and murder on that fateful evening in October, 1983, carry its burden. It's been 18 years since it happened and while some of the criminals have gone on to enjoy enormous success, there are those who live petty lives, shrouded in grief and guilt. Someone knows about the crimes and when the men become the target of a serial killer, it's up to one gruff detective to discover the truth.