The film follows Lara, a paramedic intern who helps bring a young man into hospital, after he was brutally beaten and the event live-streamed on Facebook. Although he is in a coma, Lara starts to receive video clips from his FB profile, showing unidentified persons watching him get beaten. She reports this to a detective, who starts an investigation. All the observers appearing in the video clips will turn into a nightmare in her own life, and soon she realises that she too is an accomplice in this horrible event.