A deranged serial killer uses the Internet to lure victims to his torture chamber inflicting severe pain and chaos upon them while the entire morbid scenes are streamed over the Internet. A dark-net site www.Murder.net is used where members pay a subscription fee to watch the killings take place live. In between murders the site consists simply of an all-black screen with a blood-red countdown clock indicating the time left till the next slaughter. After a lengthy investigation by authorities whom are found to be continually working against the timer, a computer science researcher manages to track the digital breadcrumbs that the sites Bitcoin transactions leave behind and the murderer is caught.