The documentary attends the rise of the investigative journalist collective, known as Bellingcat. The controversial and skilled collective exposes the truth behind global news stories by using social media, reconstruction techniques and audio analysis. In an era of fake news and alternative facts leader and network activist Eliot Higgins and his team of volunteers search for truth by putting newspapers, networks and governements to the test. From identifying the exact location of an Islamic State murder to tracking the story behind the mysterious poisoning of Sergei and Yulia Skipal in the UK they fight for the integrity of journalism and point out how Big Data technologies can help in fact-checking.