The shows premise is based on "Stingray" technology. Yes this technology does exist, fooling your phone into believing it is connected to a cell tower and subsequently allowing all voice and data to connect. I found it compelling viewing and enjoyed the plot twists. The programme is about a covert police operation to uncover the Mr Big in a drug operation. Ash is our hero who wants to believe that they are making a "difference" rather than just going through the motions. This may cost him his marriage and sometimes going it alone to get the results that will unmask the man behind it all. Interdepartmental rivalries abound as 'Stannard' the police chief, wonders where this covert band of crime fighters get their funding and does his best to undermine their operation, relying on a mole on the team to feed him information.