There werent many things on television that got all four of us watching in our house, but as this gripping thriller gathered pace over six weeks, it was certainly one of those few. It all starts when policemen Craven (Bob Peck) takes his daughter (Joanne Whalley) home only for her to be gunned down in the drive. Desolate, he is convinced that this was an attempt on his own life that went wrong, but shortly after the dust has settled he is approached by the enigmatic government man Templeton (Charles Kay) who suggests that perhaps she was the right target after all. Why? Well it seems she was quite the activist and had been part of a group who had infiltrated a nuclear research facility deep in the nearby disused Yorkshire mines and discover...