Alicia, a promising young PR executive, goes home with a handsome stranger, only for the pair to be attacked by a woman with a knife. Alicia kills the woman in self-defense, but then finds herself framed for murder. Unraveling the mystery, Alicia finds herself plunged into a web of deceit from which there seems to be no escape.

A serial killer, whose victims are men with similar pasts, is tracked by a policewoman.

"To Catch a Killer" tells the true gruesome story of John Wayne Gacy - a good friend and helpful neighbour, a great child entertainer, a respectful businessman, and a violent serial killer who raped and murdered over 30 young boys.