I've done a deal,' said Callan's Boss, Hunter. 'Perhaps the nastiest deal in my career. I'm giving you to the Russians.''The KGB had picked up the Section's top man in Russia. So far he was still alive and well. He would continue to be so now that negotiations were concluded.'Your tading me for hi?'It was like weighting two diamonds', said Hunter, ' Each perfectly cut, each virtually flawless. Our man in Russia weighted just one carat more. I'm very sorry.''You realise what they'll do to me?''They want you dead. They want you so badly they're prepared to give me my top man back unharmed in exchange for you.''For my corpse.'For once Callan was shocked. he knew Hunter was hard, he knew he was cold-blooded. But to sell one of his own men to the Russians...So the word went round, No gun for Callan. Not even Lonely-faithful, frightened, knowledgeable Lonely-could get him one.And three men from the KGB had arrived in London... with orders to kill Callan...