Some of Australia's most intriguing investigations are put under the microscope with viewers having the chance to play detective. Tonight, a young couple mysteriously disappear after a romantic picnic in La Trobe Valley and gruesome discovery in Sydney's Blue Mountains has detective baffled.

Is a man driven to kill the woman he loves? Or is she another fatality in an underworld hit? Also an innocent mum answers a mysterious knock on the door and is struck in the head in a barbaric attack. Is her husband to blame? And an elderly man is brutally bashed to death in his home. With no clues in sight could a pacemaker prove to be the key in catching his killer.

Plot of this episode is not specified yet.
Please check back later for more update.

Plot of this episode is not specified yet.
Please check back later for more update.