Seeking out shadows wherever he could, Pearse edged his way along the narrow lanes, choosing what he thought were the most arbitrary routes, hoping in so doing to avoid any further confrontation. He knew that the Austrian would have a small legion at his disposal. It wouldn’t be long before illogic met its match in sheer numbers. Which meant he had to find his means of escape now.

At every turn, though, the outer walls seemed to find him, endless sheets of brick and stone disappearing into a slate sky. No way through, no way over. The thought battered at him as he slipped from one courtyard to the next, alleys spinning him deeper and deeper into the private world of the Vatican, until, with a sudden upsweep of air, he sped out into the grasp of trees, several lamps casting insignificant beams on a carpet of cobblestone. Pausing to catch his breath, he realized he had arrived at the Governor’s Palace gardens, the dome of St. Peter’s hovering above him to his left.

The wide piazza lay deserted, the palace facade a series of icy black windows-four, five stories high-staring back at him. He kept to the grass, relieved to slip under the widening cluster of branches, ears cocked for any sound around him. Silence. No way through, no way over. A deafening mantra.

At the edge of the trees, he stopped again, resting up against a trunk to survey the area. The shadows shifted from a swirl of leaves, his eyes drawn upward to the dome, the cross atop peering out on an unseen Tiber, the world of Rome beyond. Ironic sanctuary, he thought, for one trapped behind these walls. How many, he wondered, had ever viewed it as such-St. Peter’s, its two great arms of colonnades stretching around the square, grasping its faithful to its chest? Its intention to embrace. But also to insulate.

More so than he had ever imagined before.

Just then he noticed an isolated area blanketed in dim light. Unsure, he inched his way out to the edge of the shadow. As he continued to stare, a building came into sight.

The railway station. Of course.

He had completely forgotten about the single line that ran through the Vatican, the tracks some twenty yards beyond the station. Tracing them with his eyes, he watched as the rails disappeared into a tunnel. No way through, no way over.

So what about under?

He had no idea where the tracks led, or even if they remained unguarded farther on; still, they were his best bet, given the alternatives.

Of all the places he might choose for escape, though, the tracks were clearly the most exposed. He’d be out in the open for fifteen, twenty seconds. Again, he checked the area around him. No one. Steeping his lungs with air, he bolted out.

It was maddening to be so vulnerable, darting out in full view from a thousand different angles, the glow from the lamps almost painful to his skin. All he could feel was the utter stillness around him, an almost airless funnel from trees to station. Reaching the platform, he leapt onto the wooden boards that lay at the center of the rails. Everything seemed brighter still, more static, his only choice to duck down, plant his back against the low wall. He all but expected to hear the echo of vigilanza footsteps bearing down on him.

Nothing.

Another breath, and he propelled himself toward the tunnel, the twenty yards a final naked sprint before he felt the cover of darkness wash over him.

It seemed to go on indefinitely, tracks with narrow platforms on either side disappearing deeper and deeper underground. Still, it was better than what he had just left. He hopped up onto the platform to his left and started in. Twice, he looked over his shoulder, each time the light dipping farther from sight. On the third try, it vanished altogether. Only then did he notice the blue fluorescent lights evenly spaced along the wall. Dim to the point of futility, they seemed to grow brighter as his eyes became more accustomed to the dark. All the while, he tried to picture his whereabouts above ground, unsure if he had yet moved beyond the Vatican walls.

His answer came far quicker than he expected. No more than five feet from it, he began to make out what looked to be an immense door rising from track to roof, sealing the tunnel behind. No wonder there had been no guard at the station: Who could possibly find their way through this? Drawing up to within half a foot of the thing, Pearse confirmed his first impressions. Solid steel, all the way up.

Hoping to find a smaller door within, he began to glide his hands across it. Nothing. Undaunted, he dropped to the tracks and did the same with the door as a whole. Again nothing. He hoisted himself up onto the second platform and began to probe in the dark, when his elbow suddenly knocked against something jutting from the wall. Within seconds, he had the object, a piece of iron-as best as he could tell-rectangular, perhaps two inches thick, ten inches across. A few inches above, he found another, then another, all at regular intervals.

Rungs of a ladder. A minor miracle.

Ten or eleven up, he suddenly became aware of a landing no more than three feet above him, wrought iron, much like a fire escape’s balcony. Continuing to climb, he grabbed ahold of its side and swung his legs over.

The perch lay open except for a glassed-in booth, large enough for perhaps two men, no doubt the operations room for the immense door. Stepping toward it, Pearse pressed his face against the glass-at least three inches thick-and discovered a console at the far end, buttons glowing in an amber hue, enough to reflect an inside door handle halfway down the wall. But no outside handle. Instead, a large metal box protruded from the glass. Fixed to its side was a long rectangular bar extending out toward the steel door.

Pearse dropped to his knees and began to fiddle with the box. It was totally unmanageable, even with a keyhole at the center. The bar, however, seemed strangely familiar. He ran his fingers along it, its texture that of a license plate, thin metal with raised lettering across it. He began to trace the letters, piecing together the text, SICUREZZA the first word to make itself known.

Within a few minutes, he had the entire message: TO BE USED ONLY IN THE EVENT OF A TRACK FIRE. An emergency exit, the warning of an alarm bell should the bar be pushed to open the door.

He could hardly contain his smile; modern technology had come to the Vatican.

At first, it seemed odd that this small lever was all that stood between him and his freedom. As he thought about it, though, he realized it was odder still that anyone should need to go to such lengths to leave the Vatican. Security throughout the City was minimal, because its sole purpose was to keep people out, not in. Another reason why the station had been deserted.

Why should it be any different here?

The thought was only moderately reassuring. With an alarm blaring, he knew everything would accelerate; the men from security would find their way inside the tunnel within seconds, still more of them to the spot where the mysterious escape route would deposit him. Inside the walls? Beyond them? He didn’t know. Questions flooded his mind as he stood, his grip tightening on the bar. One last glance along the tunnel.

He pushed through.

The sound was deafening, but no more intrusive than the eruption of light that poured down at him from every direction. He stood in the middle of the cabin, his eyes adjusting as he tried to locate a second door. There. Just to the right of the console. Again, no handle, only box and bar. Without hesitation, he pushed through, this time arriving in a brightly lit corridor, narrow walls painted white, the ceiling lined with pipes less than three inches from his head. Processed air permeated the place, antiseptic, leaving a metallic taste in his mouth as he sped off.