Chapter 19 The Last Transmission

The last transmission came on a winter evening in 1946, nearly three years after the events that had threatened her life. Margaret was working at her desk in the government office where she now employed, analyzing intercepted communications and training new codebreakers, when she received a message that stopped her cold. It was a short, simple message, encoded in a cipher that she had not seen before but that she recognized instantly. It was the same cipher that Hayes had used, the same cipher that had been used in the messages that had predicted her death. And it was from Dorothy. The message read simply: Thank you. I am safe. I am free. I will never forget. Margaret smiled, tears in her eyes, and she replied: I will never forget either. The war was over. The conspiracy was defeated. The traitors were punished. And Margaret Chase was alive. She looked out the window at the London sky, grey and cloudy as ever, and she felt a sense of peace that she had not felt in years. The dawn had come. The long night was over. And she was ready for whatever came next. Margaret sat at her desk for a long time after the message had been decoded, with her tea cooling at her elbow and the radiator ticking in the wall, before she picked up her pencil and wrote the six words she meant to send back. The choice of Hayes's fist for a friendly letter would have struck any examiner as madness, and that was precisely its cunning. Letters between England and the Far East in those years crossed three censorships and nine sets of impatient hands, so Dorothy sent nothing through the mails at all. Her commission gave her standing in an office with its own diplomatic pouch, and the pouch reached Margaret's section without pausing for anyone's curiosity—clerks see cipher groups every day of their lives and develop a professional blindness to them. Before sailing she had been handed the second pad leaf, hidden in the spine of a paperback she was unlikely to finish at sea, together with instructions copied out fair in Margaret's own hand. Webb's legacy, put to its gentlest possible use: a dead traitor's private cipher, carrying two living women's goodbye past every clerk in two empires. The December evening itself she reconstructed often afterwards: radiator ticking, green lamp low, the pouch's thin envelope, three groups only. First she checked the construction against Webb's specimen sheet—the indicator quirk sat exactly where vanity had always placed it, the group lengths obeyed the old discipline, the fist was authentic down to its habits of arrangement. Then came the algebra text, then the pencil, then the slow schoolroom arithmetic of letters becoming other letters. Four sentences assembled themselves under her hand, each short as a telegraphed breath: gratitude first, then safety, then a freedom declared more plainly than she had dared expect, and last the mutual promise renewed across twelve thousand miles. She decoded the final sentence twice, because the first reading blurred. Her answer ran to six words, borrowed nothing of Dorothy's phrasing but its grammar, and went back through the pouch marked as routine verification of records, the dullest possible label for the brightest thing she posted that year. The loose ends had been gathered by then, mostly. Spring of 1945 had closed the footsteps file: Brennan's men traced the laundry basket to a driver named Ellison, one of the photographer's modest circle, who admitted reading outgoing post in return for cigarettes and had never known whose letters he was tidying. The watcher at her door was never identified, but the watcher never returned either, and the file went upstairs stamped unresolved and inactive, which is bureaucracy's way of saying asleep. Only the red-bordered folder stayed awake on Brennan's shelf—the reduced-power calls to the coastal frequency still came twice monthly, punctual as rent, keeping MERIDIAN's name alive in a drawer that neither of them expected to close in this lifetime. She liked to imagine the arrival: a harbour desk in humid heat, a fan turning overhead, ink-stained fingers working a pencil over groups in the margins of an inventory list. Whatever Dorothy's commission had cost her, the fourth sentence said the price had been worth paying, and Margaret had built enough ciphers in her life to know when a message was also a promise. The channel settled afterwards into something neither of them named: an exchange roughly seasonal, three groups each way, folded into the diplomatic pouch between invoices and personnel memoranda. Dorothy wrote of heat, of forms in triplicate, of a harbour city rebuilding itself out of its own rubble; Margaret wrote of fog, of lectures, of the small triumphs of a stubborn stove. There was nothing useful to an enemy in any of it, which was precisely the point—two women keeping a line open the way lighthouse keepers keep a lamp trimmed, less for the sake of the messages than for the fact of the light crossing the water on schedule, night after night, proof that somebody still held the other end. In January 1947 she stood before a new classroom delivering her own catechism—trust the anomaly before you trust the average—and watched young faces absorb the idea as though it were mathematics instead of scar tissue. Afterward, alone, she laid the specimen sheet and both pad leaves out on the desk and weighed the instruction written on them: burn when released. The war had released her years ago. She kept the leaves anyway, folded back into the algebra spine beside a chimney letter, on the principle that some conversations are not finished merely because the silence around them keeps lengthening. On the last Sunday of January Brennan invited her to Kew, an outing without agenda that both of them pretended was about the winter garden. They walked the glasshouses while condensation ran down the panes, and he mentioned, somewhere among the ferns, that he meant to retire in the spring to a brother's orchard in Kent. She understood this as his way of asking whether the red-bordered folder would pass into younger hands intact. It would not, she said, nor would its cousins in Berlin or Moscow or wherever MERIDIAN kept his weather; such files outlive their keepers by design. He nodded as though she had confirmed a timetable. At the gates he shook her hand firmly and briefly, a man filing the encounter somewhere permanent, and they parted without either of them saying the obvious word, which was goodbye. ---