East is East and West is West - and they meet in BerlinHe was the best source the Department ever had, but now he desperately wants to come over the wall. 'Brahms Four' was certain a high-ranking mole was set to betray him. There's only one Englishman he trusts any more: someone from the old days.So, Bernie Samson goes back into the field after five sedentary years of flying a deskThe field is BerlinThe game is as baffling, treacherous and lethal as ever....