Who was Dan 'Spider' Shepherd before he signed up as an undercover cop and began working for MI5? The Sandpit rewinds with an action-packed rollercoaster to his days in the SAS...Dan Shepherd and his SAS team are sent into the badlands of Afghanistan to train the rebels who are battling Taliban fanatics.But what starts as a training mission in The Sandpit turns into a life or death struggle with Shepherd and his team very much in the firing line.Soon they are caught up in an international intrigue that threatens the stability of the whole Middle East.