Lifting the lid on their personal case files, in each episode of this gripping true crime series, one of Australia's best detectives returns to the toughest case of their career to reveal what it took to get the country's hardest criminals behind bars.

Combining eye-witness testimony, case footage, news archive, exclusive access to police files, and illustrative reconstructions, this series follows the twists and turns of each major investigation, from committal to resolution. 

This season, we hear from an undercover cop who tackled a major drug bust while navigating police corruption, hunt for an enigmatic bank robber, and solve one of Australia's most bizarre murder investigations, and more. 

This series highlights the determined police work taken to solve the hardest cases of these investigators' careers.