Read Chapter 23: The Enemy Within

The incandescent bulb in the Records Room buzzed like a trapped wasp. Evelyn had stopped noticing it hours ago, along with the cramp in her fingers and the dusty taste of old paper at the back of her throat. Five names. She stared at the sheet of foolscap pinned to the corkboard—five names, each tied to a position of trust, each connected to one another by a single, damning thread of secondments, shared clubs, and war-office commendations.

Ashworth stood beside her, hands clasped behind his back, his eyes tracking the web of red ink she had drawn between the names. “It’s not one mole,” she said, her voice hoarse. “It’s five.”

“A nest,” he murmured.

“The original analysis was wrong. I kept assuming a single point of failure, a single channel. But these five—they’re a relay. Information passes from one to the next, each one only knowing the man before and after him. Cut one, and the chain is severed, but the others stay dark.” She tapped the bottom-most name. “Except this one. Inspector Hale. He’s the anchor. He’s the one feeding London-level traffic directly to Krueger.”

Ashworth’s jaw tightened. “Hale sits on the Port Security Committee. He signs off on convoy manifests.”

“Which is how Meridian’s schedule was compromised before the Admiralty even ratified it.”

Silence stretched between them, broken only by the hum of the bulb. Evelyn felt the weight of it—not just the betrayal, but the scale. Five men. Five positions of power. Room 40 itself had been compromised, its own ciphers read by the enemy because one of their own had been reading them first. How long had this been going on? How many ships had gone down because a man in a tailored uniform had decided a payday from Berlin outweighed every boy drowning in the Atlantic?

“They have to be flushed,” Ashworth said finally.

“They’ll scatter if we move on any one of them. They’re not fools. The moment Hale senses a whiff of suspicion, he’ll vanish or burn his contacts. We need them to commit themselves in a single stroke.”

“A trap, then. Bait they can’t resist.”

Evelyn turned from the board, rubbing her eyes. “What bait would draw out all five?”

Ashworth moved to the desk where a chart of the Channel lay unrolled, its edges weighted down with a brass compass and a chipped coffee cup. He studied the southern coast, his finger tracing the narrowest stretch of water. “A convoy. A decoy convoy. Fat, slow, and supposedly carrying something precious enough that Krueger will risk his entire network to hit it.”

“Something precious,” Evelyn repeated. She thought of the lists she’d decoded, the tonnage figures, the manifests. “What do we have that the Germans would sell their grandmothers for?”

“We tell them we have the new American depth-charge plans. Fresh from Washington, delivered by diplomatic pouch, destined for the Grand Fleet.” He straightened, a hard light in his eyes. “We leak via Hale. Get word to him that a special shipment is sailing from Tilbury in five days—the Meridian, ironically enough. Reroute the real Meridian to a separate berth, and put a ghost crew on the decoy.”

“And when Hale passes the word to Krueger, the entire nest will move to guarantee the interception.”

“They’ll have to communicate. All five of them will have to touch the same piece of intelligence. That’s when we catch them—in the act of coordination.”

Evelyn felt the plan’s elegance and its danger in equal measure. It was bold, reckless, and reliant on a hundred small deceptions holding together under pressure. But it was also the only path forward she could see.

“There’s a problem,” she said quietly.

Ashworth raised an eyebrow.

“If Thomas was the original leader of this network—if he recruited these men before he…” She trailed off, struggling to frame the thought that had been gnawing at her since the outline of the conspiracy had emerged. “He knows how we think. He knows Room 40’s protocols, the patterns we’d use to set this trap. If he’s been turned, if he’s actively helping Krueger, he’ll see through the decoy convoy in a heartbeat.”

Ashworth’s expression didn’t change, but something flickered behind his eyes—a warning, or perhaps the ghost of sympathy he refused to voice. “You believe he’s that compromised?”

“I don’t know what I believe anymore.” The admission tasted bitter on her tongue. “Edward’s letter said Thomas is alive but ‘not the man you remember.’ Whatever that means. Could be torture. Could be something else entirely.”

“Could be a lie,” Ashworth said flatly. “The letter came to us via Lady Fenmore, through Margaret. Every step of that chain is compromised.”

“Which is exactly why I can’t trust any of it. But I also can’t ignore it.” She met his gaze, willing him to understand the impossible position she was in. “If Thomas is broken, if he’s giving them everything he spent years learning, then he’s the most dangerous weapon Krueger has. More dangerous than Hale, more dangerous than any of the five. He could unravel our entire cryptanalytic effort simply by remembering the right pattern of mistakes.”

Ashworth was silent for a long moment. Then he reached past her, uncapping a pen, and drew a circle around Tilbury on the map.

“Then we don’t just trap the five,” he said. “We trap Thomas too. We make the decoy convoy so compelling that Krueger has to bring his prize asset into play. If Thomas is running the interception, he’ll have to surface. He’ll have to use a channel we can trace. And when he does, we’ll know where to find him.”

“You’re proposing we use my fiancé as a lure to catch himself.”

“I’m proposing we use what’s left of him to cut the head off the snake. If he’s beyond saving, Evelyn—if he’s become what they made him—then this is the most merciful thing we can do for him. End it cleanly, before he has to live with what he’s done.”

Evelyn felt the words land like a blow to the chest. She looked away, at the web of names on the corkboard, at the five men who had betrayed everything they were sworn to protect. Somewhere out there, wading through the fog of war, was the man who had once taught her to laugh at her own seriousness, who had kissed her forehead in the rain outside the British Museum and promised her a life free of secrets and shadows.

That man was gone. She’d known it for weeks, she’d seen it in the coded fragments, in the handwriting on the ship list, in the careful omissions of Lady Fenmore’s final act. But knowing was not the same as accepting.

“Do it,” she said, the words scraping past a throat gone tight. “Build the trap. I’ll draft the false manifests myself—make them beautiful, make them undeniable. If Thomas is watching the channels, he’ll see patterns he taught me to make. He’ll know it’s real.”

Ashworth nodded slowly. “And if he comes for you instead of the convoy?”

Evelyn forced a thin, brittle smile. “Then I’ll be ready to ask him the questions he’s been avoiding.”

She turned back to the desk and picked up a fresh sheet of paper, the nib hovering over its blank surface. The trap was clicking into place now, a mechanism of lies and decoys carefully assembled in the heart of a beleaguered city. But as she began to write the first false manifest, a thought surfaced unbidden, cold and unwelcome:

The pearling her pocket had yielded nothing yet. But Lady Fenmore had planned her escape with a precision that bordered on the prophetic. She had left a list for Evelyn, and a letter for Margaret, and a trail that led straight to England’s enemies. It was almost as if she had wanted them to find the network. Almost as if she had wanted them to walk into a room she had already measured for its exits.

Evelyn’s hand paused over the paper.

What if the trap wasn’t theirs at all? What if they were simply the last pieces of someone else’s game, being moved into position for a blow they couldn’t yet see?

She glanced at Ashworth, who was studying the chart with a focused intensity she had come to admire—and distrust in equal measure. The distance between them, bridged so briefly on the rooftop, had returned with the dawn, filled with unspoken questions about the pearl, about Thomas, about which of them was truly holding the other’s strings.

She dipped the pen and began to write.