Someone was trying to assassinate the prime minister, and only Harry Pearce had the ability to stop them – if he could convince the authorities he wasn’t a crackpot. It didn’t help that his intel came from an unreliable source.
With only twenty-four hours to stop the attack, he had to figure out who was masterminding the plot and when they planned to strike. First, he had to get Ruth Evershed to pose as the prime minister. And then he'd give the enemy a new target – himself!