Hosted by Marcel Theroux, the show explores the story of Marius ‘Theo’ Gustavson, known as the Eunuch Maker; reported to be running a financial business from his home in Finsbury Park by operating and live streaming sexual organ removal surgeries online in front of audiences in their thousands. Before it hit headlines in 2022, and nine individuals were charged in March 2023, not much was known about the Nullo community. Marcel Theroux takes the audience on a journey to explore why people were motivated to join the community, and speaks to the victims as well as the consenting individuals, together with experts from around the world to give their own insight into this investigation.