Dan 'Spider' Shepherd is used to putting his life on the line - for his friends and for his job with MI5. So when one of his former apprentices is kidnapped in the badlands of Pakistan, Shepherd doesn't hesitate to join a rescue mission. But when the plan goes horribly wrong, Shepherd ends up in the hands of al-Qaeda terrorists. His SAS training is of little help as his captors beat and torture him. Shepherd's MI5 controller Charlotte Button is determined...