Triangle -2009- -

That night, we launched the submersible. Sanger piloted; I sat in the passenger seat, my knuckles white. The descent took an hour. The water turned from blue to indigo to a black so absolute it felt solid. Then the seafloor lit up.

Sonar pinged something impossible: a perfect equilateral triangle, sixty miles to a side, etched into the abyssal plain. Sanger stared at the readout, his coffee cup trembling.

A current we hadn’t created pushed us toward the center. The sub lurched. The sonar screamed. And then the water temperature dropped forty degrees in a second.

When the noise stopped, the sonar was dead. The lights flickered on to reveal… nothing. No seafloor. No pillars. Just an endless, milky void. And floating ten meters from the sub’s window, perfectly preserved, was Leo. Triangle -2009-

“You shouldn’t have come, sis. Now there are three of us.”

The triangle wasn’t a door to a place. It was a loop. A recursion. 2009 wasn’t the destination—it was the key . And we had just turned it.

That’s how I ended up here, on a rusting research vessel called the Odyssey , cutting through the Sargasso Sea. The crew was a skeleton—a cynical oceanographer named Dr. Sanger, a grizzled captain who smelled of rum and regret, and me, a high school math teacher clutching a faded postcard. That night, we launched the submersible

“The year,” I breathed. “Leo sent the postcard in 2009.”

I saw figures in the murk. Not fish. Shapes with too many joints, moving in geometric unison. They were guardians. Or gardeners. I couldn’t tell which.

Leo hadn’t vanished. He’d stepped through. The water turned from blue to indigo to

The pillars appeared again, but this time they were inside the void with us. The numbers changed: 1, 9, 9, 6. The year my father drowned on a similar expedition. The year Leo swore he’d never go to sea.

“Take us in,” I said.