The Devil's Butterfly is the harrowing true story of the killer conman, Frank Butler, whose deception and duplicity sent the colony of New South Wales into a state of fear and panic.<br/>Advertising in the Sydney papers, the charismatic Butler lured his prey towards the western goldfields with exaggerated tales of untold wealth and riches.<br/>Five men answered, three men went missing.<br/>Fearing capture and searching for new killing grounds, Butler flees Australia, headed for San Francisco.<br/>Two detectives, certain they are hunting Australia's first 'true' serial killer, steam across the Pacific on a speedier ship. A third detective traverses the globe, racing to America via London.<br/>Desperate to reach San Francisco before a sociopathic killer disappears once again; will they capture their man or will the now notorious Butler escape forever?