Then, in the patch of quickly fading sun that fell across the room, I noticed something I hadn’t before. It was a trunk—or the edge of one, at least—poking out from under the second bed. I went over and peeled back the bed sheet that hid most of it from view.

It was a big old steamer trunk latched with a giant rusting padlock. It couldn’t possibly be empty, I thought. You don’t lock an empty trunk. Open me! it fairly seemed to cry out. I am full of secrets!

I grabbed it by the sides and pulled. It didn’t move. I pulled again, harder, but it wouldn’t give an inch. I wasn’t sure if it was just that heavy, or if generations of accumulated moisture and dust had somehow fused it to the floor. I stood up and kicked it a few times, which seemed to jar things loose, and then I managed to move it by pulling on one side at a time, shimmying it forward the way you might move a stove or a fridge, until it had come out all the way from under the bed, leaving a trail of parenthetical scars in the floor. I yanked on the padlock, but despite a thick encrustation of rust it seemed rock solid. I briefly considered searching for a key—it had to be here somewhere—but I could’ve wasted hours looking, and the lock was so decayed that I wondered if the key would even work anymore. My only option was to break it.

Looking around for something that might do the job, I found a busted chair in one of the other rooms. I pried off a leg and went to town on the lock, raising the leg over my head like an executioner and bringing it down as hard as I could, over and over, until the leg itself finally broke and I was left holding a splintered stump. I scanned the room for something stronger and quickly spotted a loose railing on the bed frame. After a few stomping kicks, it clattered to the floor. I wedged one end through the lock and pulled the other end backward. Nothing happened.

I hung on it with all my weight, lifting my feet off the floor like I was doing a pull-up with the rail. The trunk creaked a little, but that was it.

I started to get mad. I kicked the trunk and pulled on that rail with every bit of my strength, the veins bulging out of my neck, yelling, Open god damn you, open you stupid trunk! Finally my frustration and anger had an object: If I couldn’t make my dead grandfather give up his secrets, I would damn well pry the secrets out of this old trunk. And then the rail slipped and I crashed to the floor and got the wind knocked out of me.

I lay there and stared at the ceiling, catching my breath. The orphans’ tears had ended and now it was just plain old raining outside, harder than ever. I thought about going back to town for a sledgehammer or a hacksaw—but that would only raise questions I didn’t feel like answering.

Then I had a brilliant idea. If I could find a way to break the trunk, I wouldn’t have to worry about the lock at all. And what force would be stronger than me and my admittedly underdeveloped upper-body muscles wailing on the trunk with random tools? Gravity. I was, after all, on the second floor of the house, and while I didn’t think there was any way I could lift the trunk high enough to get it through a window, the rail along the top of the staircase landing had long ago collapsed. All I had to do was drag the trunk down the hall and push it over. Whether its contents would survive the impact was another issue—but at least I’d find out what was inside.

I hunkered down behind the trunk and began pushing it toward the hall. After a few inches its metal feet dug into the soft floor and it ground stubbornly to a halt. Undeterred, I moved around to the other side, gripped the padlock with both hands and pulled backward. To my great surprise it moved two or three feet in one go. It wasn’t a particularly dignified way of working—this squatting, butt-scooting motion I had to repeat over and over, each slide of the trunk accompanied by an ear-splitting metal-on-wood shriek—but before long I’d gotten it out of the room and was dragging it, foot by foot, doorway by doorway, toward the landing. I lost myself in the echoing rhythm of it, working up a manly lather of sweat in the process.

I finally made it to the landing and, with one final indelicate grunt, pulled the trunk onto it after me. It slid easily now, and after a few more shoves I had it teetering precariously on the edge; one last nudge would be enough to send it over. But I wanted to see it shatter—my reward for all this work—so I got up and carefully shuffled toward the edge until I could glimpse the floor of the gloomy chamber below. Then, holding my breath, I gave the trunk a little tap with my foot.

It hesitated for a moment, wobbling there on the edge of oblivion, and then pitched decisively forward and fell, tumbling end over end in beautiful balletic slow-motion. There came a tremendous echoing crash that seemed to rattle the whole house as a plume of dust shot up at me from below and I had to cover my face and retreat down the hall until it cleared. A minute later I came back and peeked again over the landing and saw not the pile of smashed wood that I had so fondly hoped for, but a jagged trunk-shaped hole in the floorboards. It had fallen straight through into the basement.

I raced downstairs and wriggled up to the edge of the buckled floor on my belly like you would a hole in thin ice. Fifteen feet below, through a haze of dust and darkness, I saw what remained of the trunk. It had shattered like a giant egg, its pieces all mixed up in a heap of debris and smashed floorboards. Scattered throughout were little pieces of paper. It looked like I’d found a box of letters, after all! But then, squinting, I could make out shapes on them—faces, bodies—and that’s when I realized they weren’t letters at all, but photographs. Dozens of them. I got excited—and then just as quickly went cold, because something dreadful occurred to me.

I have to go down there.

*   *   *

The basement was a meandering complex of rooms so lightless I may as well have explored them blindfolded. I descended the creaking stairs and stood at the bottom for a while, hoping my eyes would eventually adjust, but it was the kind of dark there was no adjusting to. I was also hoping I’d get used to the smell—a strange, acrid stink like the supply closet in a chemistry classroom—but no such luck. So I shuffled in, with my shirt collar pulled up over my nose and my hands held out in front of me, and hoped for the best.

I tripped and nearly fell. Something made of glass went skidding away across the floor. The smell only seemed to get worse. I began to imagine things lurking in the dark ahead of me. Forget monsters and ghosts—what if there was another hole in the floor? They’d never find my body.

Then I realized, in a minor stroke of genius, that by dialing up a menu screen on the cellphone I kept in my pocket (despite being ten miles from the nearest bar of reception), I could make a weak flashlight. I held it out, aiming the screen away from me. It barely penetrated the darkness, so I pointed it at the floor. Cracked flagstone and mouse turds. I aimed it to the side; a faint gleam reflected back.

I took a step closer and swept my phone around. Out of the darkness emerged a wall of shelves lined with glass jars. They were all shapes and sizes, mottled with dust and filled with gelatinous-looking things suspended in cloudy fluid. I thought of the kitchen and the exploded jars of fruits and vegetables I’d found there. Maybe the temperature was more stable down here, and that’s why these had survived.

But then I got closer still, and looked a little harder, and realized they weren’t fruits and vegetables at all, but organs. Brains. Hearts. Lungs. Eyes. All pickled in some kind of home-brewed formaldehyde, which explained the terrific stench. I gagged and stumbled away from them into the dark, simultaneously grossed out and baffled. What kind of place was this? Those jars were something you might expect to find in the basement of a fly-by-night medical school, not a house full of children. If not for all the wonderful things Grandpa Portman had said about this place, I might’ve wondered if Miss Peregrine had rescued the children just to harvest their organs.