A car bomb planted by the conspirators leaves Juliet paralysed. Meanwhile the weakened Prime Minister is preparing to announce the introduction of a dictatorship.
The situation worsens when Harry is captured and held at a detention centre to await execution.
Malcolm and Ruth uncover damning evidence against Ros's father Jocelyn Myers, which Adam uses to turn Ros. She cracks and together they rush to stop her father.
With the terror threat averted, Adam faces a battle against time to save Harry. He does it with seconds to spare, turning on the sprinkler system, moments before Harry's cell goes up in flames
Spooks continues on Monday 2nd October, 9pm, 91Èȱ¬ ONE