Series 3, Episode 8

S3 E8: Tension mounts as DCI Gene Hunt and his team are investigating a diamond heist following the murder of three London gang members. However, DI Alex Drake is distracted and, with encouragement from DCI Jim Keats, she decides to pursue her own investigation to the bitter end - did Gene Hunt murder Sam Tyler? It is time for Alex and the rest of the team to learn the truth about Gene Hunt.