Chapter 1: The Locket's Secret

“You’re doing it again,” he said.

“Doing what?”

“Staring at the locket like it’s going to sprout wings and fly away.”

I looked down at my hands. The silver locket lay open in my palm, catching the pale sunlight that filtered through the willow branches. Inside, the tiny portrait of my mother smiled up at me—the same smile I saw in my own reflection every morning. I’d traced her face so many times the silver had worn smooth around the edges.

“I just wish I knew more,” I said softly. “Two years I’ve been guardian. I know about Isolde and Eirlys and Rowan and Cassia. I know about the moonstone and the old magic. But my own mother and father—” I snapped the locket shut. “It’s like they’re made of mist.”

Pip trotted over and sat down beside me, warm and solid. “Mist can hide things, but it can’t make them disappear.” He nudged my hand with his nose. “Maybe you’re looking in the wrong place.”

“What do you mean?”

“Well—” Pip scratched behind his ear with a hind paw. “You always open the locket when you’re sad. But have you ever opened it when you’re curious? Really, truly curious?”

I blinked at him. The thought had never occurred to me. I always came to the locket with the same heavy heart, asking the same silent question: Where are you? But Pip was right—I’d never asked a different question.

I took a breath and opened the locket again. This time, instead of sadness, I let wonder fill me. I thought about the woods and the moonstone and the way the trees seemed to whisper secrets to anyone who listened. I thought about the word home and what it really meant.

And then something happened.

The tiny portrait of my mother shimmered, like heat rising off summer stones. The silver edges of the locket grew warm against my fingers. Pip’s ears shot up.

“Nova—look!”

Inside the locket, beneath my mother’s face, a thin seam appeared. I’d held this locket for two years and never noticed it. Slowly, carefully, I pressed along the seam with my thumbnail. The back panel slid open with a soft click, revealing a hidden compartment.

Nestled inside was a folded piece of paper, yellowed with age and tied with a single strand of blue thread.

My hands trembled as I untied the thread. Pip pressed close, his nose practically touching the paper. The handwriting was small and neat—my mother’s writing, I knew it from the notes she’d left me as a child, tucked into my lunch pail.

My dearest Nova,

If you’ve found this, you’re ready for the truth. Your father and I didn’t leave because we wanted to. We left because we had to—to protect the woods, and to protect you.

There is a secret older than Willow Creek itself, a secret that lives in the roots of the Great Oak. Find the knot that looks like a heart, and press the moonstone against it. The tree will show you what you need to know.

We love you more than all the stars in the sky.

—Mama

I read the words three times, my heart pounding so loud I could hear it in my ears. Pip looked up at me, eyes wide.

“The Great Oak,” he breathed. “That’s at the very center of the woods. Even I don’t go there often.”

“Heart-shaped knot,” I repeated, clutching the letter. “Press the moonstone against it.”

Pip’s tail wagged slowly. “Well, what are we waiting for? The day’s not going to last forever.”

I tucked the letter safely inside my jacket pocket, right next to my heart. The locket I closed and pressed to my lips before slipping it back around my neck. Then I stood, brushing moss from my knees, and looked toward the deep part of the woods where the trees grew tall and old.

“Let’s go,” I said, and Pip darted ahead with a joyful yip.

The path to the Great Oak wasn’t a path at all—just a winding trail of deer tracks and fallen branches that Pip seemed to know by instinct. We crossed the stream twice, climbed over a fallen log covered in shelf mushrooms, and ducked under a curtain of hanging vines. The air grew cooler, thicker with the smell of earth and leaves.

And then we saw it.

The Great Oak stood in a clearing where sunlight fell in golden shafts, like the woods themselves were lighting the way. Its trunk was so wide that three Pip foxes could circle it nose to tail and still not touch. Its branches stretched out like welcoming arms, and its leaves shimmered with a faint, silvery light that I knew came from magic—the same magic that lived in my moonstone.

I walked forward slowly, feeling the weight of the moment. The bark was rough beneath my fingers as I searched for the knot. Pip circled the trunk, nose to the ground, sniffing.

“Here!” he called. “I think I found it.”

I hurried around to where Pip sat, tail curled around his paws. There, in the gnarled bark, was a knot shaped almost perfectly like a heart. It was smooth and worn, as if many hands had touched it before mine.

I pulled the moonstone from my pocket. It pulsed faintly, warm against my palm, as if it knew it was home. I pressed it against the heart-shaped knot and held my breath.

For a moment, nothing happened. Then the bark began to glow—softly at first, then brighter, until the whole knot shone like liquid silver. The ground beneath my feet hummed, and I felt a voice—not a voice I could hear, but one I could feel deep in my bones.

Guardian of Willow Creek. Child of the old magic. Welcome.

The tree’s branches creaked and shifted, and a small hollow opened in the trunk just above the knot. Inside, nestled in a bed of soft green moss, lay a wooden box carved with symbols I didn’t recognize.

Pip’s whiskers twitched. “I have a feeling that’s not just any box.”

My hands were shaking as I reached inside and lifted it out. It was small, no bigger than my two fists, and surprisingly light. The symbols on the lid caught the light and seemed to move, like leaves drifting on water.

“Should I open it?” I whispered.

Pip looked up at me, his eyes bright with excitement and trust. “I think you’re supposed to.”

I took a breath and lifted the lid.

Inside, on a bed of dried lavender, lay a silver key—old and tarnished, but still beautiful. And beneath it, a scrap of paper with a single line of writing:

The key opens what the heart has locked away. Find the door that only you can see.

I picked up the key. It was cool and solid in my palm, and when I closed my fingers around it, I felt something shift inside me—like a door, somewhere deep in my heart, creaking open just a crack.

Pip pressed his nose against my hand. “A key,” he said. “That’s good. Keys open things.”

“But what does it open?” I asked, turning the key over in my fingers. “What door only I can see?”

Pip sat down, tail curled around his paws, thinking. The Great Oak rustled above us, as if it were listening. Somewhere in the distance, a bird sang a long, sweet note.

“Maybe,” Pip said slowly, “it’s not a door you see with your eyes. Maybe it’s a door you see with your heart.”

I looked down at the key, then up at the tree that had kept my mother’s secret for all these years. I didn’t have the answer yet. But for the first time since I’d become guardian, I felt like I was on the edge of something big—something that would finally bring me closer to my parents.

I slipped the key into my pocket, next to the letter, and pressed my palm against the heart-shaped knot.

“Thank you,” I whispered.

The tree’s glow faded slowly, until it was just an oak again—old and wise and full of secrets. Pip stood up, shaking out his fur.

“Well,” he said, “I don’t know about you, but I’m hungry. All this discovering works up an appetite.”

I laughed, the sound surprising me. It felt good. Light. “There are blackberries by the stream.”

Pip’s ears perked up. “Now you’re speaking my language.”

We started back through the woods together, the key warm in my pocket, the letter tucked against my heart. The trees whispered overhead, and for the first time in a long time, I felt like they were whispering secrets just for me.

I didn’t know what the key would open. I didn’t know where the door was hidden, or what I’d find on the other side. But I knew one thing for certain.

I was one step closer to my parents. And I wasn’t going to stop until I found them.