True-crime documentary exploring the heinous murder of five-year-old April Jones in 2012, focusing on previously unheard tapes of the 18 hours of interviews the police conducted with child-killer Mark Bridger, who was arrested within 24 hours of April being reported missing and was charged four days later. Featuring contributions from forensic psychologist Dr Joe Sullivan and April's family, who share their distress at her body remaining undiscovered.