On 27 June 2021, holidaymakers stumble across headless human remains. The victim as 67-year-old Deborah Chong from London. With access to family, investigators, and forensic experts, the filmmaker unpicks the complex motives and circumstances.

With Jemma Mitchell under arrest, police have a circumstantial case against their chief suspect in the case of Deborah Chong's murder. The filmmaker dives deep into the crime and examines how police used CCTV evidence to arrest Jemma Mitchell.