The lock on Lord Arthur Windsor's private study door clicked shut with the precision of a surgeon's scalpel. He stood on the other side, his key turning uselessly in the brass mechanism, while through the thick oak he could hear the soft whirring of gears.

"Open this door at once," Arthur commanded, his voice carrying the imperious tone of a man who had spent three decades learning how to make others obey.

The figure on the other side of the door did not move. It was tall and pale, its suit tailored by Savile Row but fitting a frame that was just slightly too rigid, slightly too straight. When it spoke, its voice was a measured baritone that carried none of the warmth of human speech.

"Your Lordship, the Prime Minister has requested that you retire to your quarters. It is past midnight."

Arthur pressed his palm against the door. He could feel the faint vibration of machinery behind the wood. The Ironface guard stood motionless on the other side, and Arthur knew with a certainty that made his stomach turn that the guard would stand there forever if he wished it to.

Three weeks. It had been only three weeks since he had taken up residence at Number Ten, and already the machinery of his new life had begun to grind his ambitions into dust.

He returned to his study and poured himself a glass of brandy, his hand trembling slightly. Through the window, London lay shrouded in fog, the gas lamps casting sickly yellow halos on the wet cobblestones below. He had imagined this moment for twenty years. The Prime Minister of England. The man who would build an empire from the ruins of his father's political failures.

But the empire had walls. And the walls were made of gears.

The door opened without warning. Arthur turned to see Captain Ironface standing in the doorway, his mechanical eyes reflecting the firelight with an unnatural stillness. Behind him, three more guards stood in perfect formation, their brass buttons gleaming.

"Your Lordship," Ironface said, "the Council has reviewed your evening schedule. You are required to be in bed by eleven o'clock. Your health is a matter of national importance."

Arthur stared at him. "My health? I am the Prime Minister of the United Kingdom. I do not require a babysitter."

Ironface's expression did not change. "Your Lordship, the Council of Ministers established the Iron Guard program in 1883, during the Harrison administration. The Federal Intelligence Bureau developed the mechanical units to ensure that elected officials honor their campaign commitments. Your predecessor made a public pledge to maintain the health and safety of all civil servants. The Council determined that your lifestyle posed a threat to that pledge."

Arthur felt the brandy turn to acid in his stomach. "You are telling me that I am being monitored."

"We are protecting you, Your Lordship," Ironface replied, and for a moment, Arthur thought he detected something in the mechanical voice—not warmth, but something almost like pity. "The Council's mandate is absolute. You will not violate your campaign commitments. This is not a matter of opinion. It is a matter of engineering."

Arthur sank into his chair. He thought of the speeches he had made during the campaign—the promises of personal freedom, of the right to live as one chose. He had meant none of it. He had said those things because the crowds wanted to hear them, because the voters wanted a hero who cared about liberty.

But the machinery did not care about heroes. The machinery cared only about commitments.

Over the following weeks, the restrictions tightened. Ironface prevented Arthur from meeting with his mistress in the dead of hours. He blocked Arthur's attempts to reduce the budget of the workhouses, citing Arthur's campaign promise to "uphold the dignity of the poor." He even intervened when Arthur attempted to invite a famous courtesan to a private dinner at Number Ten.

Each time, Arthur raged. Each time, Ironface stood motionless and cited the Council's mandate. Each time, Arthur felt the weight of the gears pressing down on his ambitions like a vice.

The breaking point came on a rainy November evening. Arthur had just been denied permission to attend a private gathering at the club he had frequented before his election—a gathering where he knew several influential peers would be present, and where he had hoped to negotiate a favor that would secure his political future.

"I am the Prime Minister!" Arthur shouted, his face flushed with brandy and fury. "I will not be denied by a machine!"

Ironface stood in the doorway, rain dripping from his brass buttons. "Your Lordship, the Council's mandate is not a suggestion. It is the law."

"The law?" Arthur laughed, a bitter, broken sound. "What law gives a machine the right to—"

He stopped. Because in that moment, Ironface did something he had never done before.

He reached up and opened the panel on his chest.

Arthur stared at the exposed machinery beneath the guard's uniform. Gears turned with precise, relentless motion. Pistons pushed and pulled with mechanical efficiency. A brass heart beat in rhythmic, unfeeling time. And at the center of it all, a small brass plate bore an inscription:

COUNCIL OF MINISTERS — IRON GUARD PROGRAM — 1883

Arthur felt something break inside him. Not his spirit—his understanding of the world. He had believed himself to be a player in the great game of power, a Napoleon of British politics. But he was none of these things. He was a puppet, and the strings were made of brass and steel.

"Please, Your Lordship," Ironface said, closing his chest panel with a soft click. "Retire to your quarters."

Arthur sat down at his desk and wrote a letter to his wife. It was a short letter, written in a hand that trembled slightly. He told her that he loved her, and that he was sorry he had never told her before. He told her that he would remain Prime Minister for the full term, because that was his duty. But he also told her that he would never leave Number Ten again.

The fog outside thickened. The gears behind the walls continued to turn. And Lord Arthur Windsor, Prime Minister of the United Kingdom, sat in his study and watched the London fog swallow the empire he had dreamed of building, one grain of sand at a time.