Viewers will be hoping for a fitting end to this gripping true-crime series, but will the case of Carole Packman’s disappearance in 1985 finally be cracked? Journalist and former detective Mark Williams-Thomas has uncovered an unnerving real-life tale of fraud, deceit and betrayal, and tonight an ex-police officer who was on the original case shares his thoughts on what he thinks happened to Carole’s body. Plus, Mark hopes to find 30-year-old evidence on a golf course, and there’s another twist… Compelling to the end.