Read Chapter 32: The Final Mole

Sir William Grandchester’s office smelled of leather and old tobacco, an incongruous sanctuary of order above the chaos he had sown. He looked up from his desk as Evelyn and Ashworth entered, and for a moment, his patrician face betrayed nothing—then a slow, almost regretful smile spread beneath his silver mustache.

“Miss Hartley,” he said, rising. “And Captain Ashworth. I wondered when you would find your way here.” He gestured to the chairs before his desk. “Tea? I imagine this conversation will be long.”

“It won’t be,” Ashworth said, closing the door behind them. “Alistair Reed has given us everything. Your name. The operation. The brooches.”

Sir William’s smile did not waver, but something shifted behind his eyes—a computation, a weighing of exits. “Alistair,” he repeated, as if tasting the name. “A pity. He had such promise as a clerk. But then, so did you, Miss Hartley. Such a sharp mind. I told Brandt you would be the difficult one.”

Evelyn stepped forward, the photograph of Thomas in her hand like a talisman. “You used him. You used my fiancé as a courier without his knowledge, you staged his arrest, you—you orchestrated everything from this room.”

“Orchestrated is a generous word,” Sir William said mildly. “I merely provided the score. Others played the notes.” He looked at her with something approaching fondness. “You played yours beautifully, Evelyn. May I call you Evelyn? You carried the blade exactly as I predicted.”

Blood roared in her ears. “What blade?”

He laughed, a dry, brittle sound. “You still don’t know, do you? All that brilliance, and you haven’t seen what’s been in front of you since November.” He reached into his waistcoat and produced a small key, not to the desk, but to something behind him.

Ashworth started forward, but Sir William’s hand moved faster—a metal panel slid open beside the bookshelf, revealing a dark opening. A tunnel. Of course. The Admiralty was a warren of old passages, and a man like Grandchester would know every one.

“I’m afraid this concludes our interview,” he said, stepping backward into the dark. “But I do hope you find the blade before your officer bleeds out.”

He vanished. The panel began to close.

Evelyn lunged, catching the edge with her fingers, and Ashworth was beside her, shoulder to the panel, forcing it back. The tunnel beyond was pitch black, smelling of damp brick and rat droppings. Somewhere in the distance, footsteps echoed.

“He’s heading for the river exit,” Ashworth said, producing a small torch from his coat. The beam cut a narrow cone through the dark. “There’s a network under here—old levies, coal chutes, smugglers’ runs. I know some of it.”

Evelyn moved beside him, her heels clicking on the stone. Sir William’s footsteps grew fainter, and Ashworth broke into a run, Evelyn matching his pace despite her skirts. The tunnel branched, and they paused, listening.

A scuff. To the left.

They went left, and the passage narrowed until they were shoulder to shoulder, forced together by the close walls. Evelyn could feel Ashworth’s warmth, his breath steady despite the chase. She could feel the bullet wound he’d taken days ago, still fresh beneath his coat, and she pushed the worry aside.

“You shouldn’t be running,” she said.

“You shouldn’t be here at all,” he replied. “Yet here we are.”

The tunnel opened into a wider chamber, perhaps an old storage vault. Water dripped from somewhere above. And there, at the far end, stood Sir William, no longer running. He held a small Webley revolver, aimed not at them, but at a wooden crate beside him.

“I said the blade,” he called out. “Do you know what it is now, Evelyn? Think. The photograph I let you find. The merchant in Antwerp. The brooch that was made to carry messages without Thomas’s knowing.”

Evelyn’s mind raced. The photograph. The brooch. The feverish word Thomas had whispered—*songbird*. The merchant’s revelation that the woman who ran the operation wore a match.

“There was never a message in the brooch,” she said slowly. “The message was in something else. Something Thomas had when he was taken.”

Sir William smiled, pleased. “Very good. Thomas was carrying a letter from his commanding officer—a letter I wrote myself, detailing a planned troop movement. But the letter was never meant to reach German hands. It was meant to be found. By you.”

Evelyn felt the floor fall away. “You staged everything so I would find that letter? So I would believe Thomas was guilty?”

“Not believe,” Sir William said. “I needed you to *decode* it. You see, the letter contained a hidden text—a cipher within a cipher—that only a mind like yours could unravel. You did, didn’t you? When you first examined Thomas’s effects, you transcribed the marginalia. You thought it was a code for a meeting. It was not. It was a set of coordinates.”

Her stomach clenched. She had copied those marginal notes. She had them in her notebook, in her rooms, in her *head*.

“The coordinates are for a rendezvous,” Sir William continued, savoring the moment. “A rendezvous I need you, and only you, to deliver to my counterpart in the Admiralty’s inner circle. You see, my superiors in Berlin no longer trust me. They believe I have gone soft. They demand proof of loyalty—proof that only you can carry, because only you can be trusted to deliver it unknowingly.”

Ashworth stepped in front of Evelyn, shielding her. “You’re done, Grandchester. There are men at every exit.”

“There are,” Sir William agreed. “But there are also men below.” He raised the revolver and fired.

The shot was deafening in the confined space. Evelyn screamed as Ashworth crumpled, his body folding backward into her arms. She caught him, felt the wet warmth of new blood soaking through his coat.

Sir William turned and vanished through a low arch on the far side of the chamber.

Evelyn knelt in the dark, holding Clive Ashworth, feeling his breath come in ragged gasps. The torch had fallen, its beam pointing uselessly at the ceiling, illuminating the dripping water above.

He opened his eyes, found hers. “The coordinates,” he whispered. “Don’t let them—” His hand found hers, and his fingers tightened, then slackened.

Above them, far away, boots thundered down the tunnel.