Following investigators from West Midland police's elite crime-fighting unit as they track suspects, uncover the truth and deliver justice for victims and their families. In the first edition, the team is called in when nine men ambush five men in a car on a quiet residential side street, with a gun being fired into the vehicle. The officers' instincts tell them this wasn't random, but was planned and executed with precision. Could this be a violent conflict driven by territory, drugs and status?