The storm’s jolt nearly capsized the boat, and Eric, clinging to the sides, felt icy spray lashing his face. Something enormous was moving beneath him; the sea seemed to breathe with an alien force. A sudden roar rumbled through his hull and chest, unlike the cry of a whale or the roar of waves. The engine stubbornly refused to start, and only on the third try did it revive, yanking the boat forward. But behind them, the water swelled again, as if the pursuer were hiding beneath the surface.

Eric had grown up by the sea, had known its laws since childhood, and didn’t believe in tales of monsters. In the village of three hundred people, rumors of a “shadow” beneath the water multiplied, and the fishermen refused to go out to sea. He laughed: “If there are no fish, it’s the currents, not the monsters.” But Marta, the market vendor, sounded alarmed: “At night, when the bell rings, it comes.”

At sunset, he finally set out to sea. The water was too calm; the birds had disappeared. The boat rocked, as if touched by invisible hands. A bone-chilling roar, the engine stalled, and Eric tugged the cord in panic until he managed to reach the shore. Reaching the village, he collapsed on the sand, shaking from the experience. People laughed, certain he had encountered a “monster.” But Eric sensed: it was not a living creature.

The next morning, he noticed a rainbow-colored film of oil near the boat and the smell of metal. In the evenings, he began observing the bay, noting strange phenomena: bubbles in a straight line, splashes at the same time—twilight, midnight, dawn. He wrote everything down in a notebook and realized that this was not the chaos of nature but a schedule—a machine, not an animal.

When he showed his notes at the café, they laughed at him. But that evening, the entire village gathered at the shore. A bell rang, and the water trembled. Something black, shiny, and smooth-edged rose from the depths. It was the hull of a submarine. People gasped at the sight of the hatch and the silhouettes of soldiers. A minute later, the steel colossus disappeared under the water again.

Rumors of a “monster” gave way to news of a border violation: a foreign submarine had surfaced near the fishing village. For the residents, however, the main thing was something else: their fear of the sea had changed. It turned out not only to be wild and dangerous, but also to harbor the secret machinery of states. Eric sensed the bitter truth: the monster might not be a mythical creature, but cold technology hidden in the depths.