True crime documentary examining the murder of landscape architect Joanna Yeates and the subsequent hunt for her killer. The programme explores the police investigation and the events that surrounded it in forensic detail, including powerful testimony from key witnesses, detectives and those at the heart of the case.

Concluding part of the documentary examining the murder of landscape architect Joanna Yeates. It features Joanna's landlord Christopher Jefferies, a former teacher arrested on suspicion of her murder but later released. This is the story of how her killer was eventually brought to justice and the truth behind one of Britain's most infamous trials by media.