The Neon City never went to sleep. Skyscrapers flashed with a blue, shimmering glow, and the air trembled with the hum of cars and the distant rhythms of club tunes. Veronica, Kacper and Nadia met that night on the roof of an old shopping centre, hidden among the tall skyscrapers. Almost no one came here anymore - the place had turned into a ruin after the last big power failure, which plunged the whole city into darkness for half an hour. But for them it was the perfect vantage point. Veronica pulled a mysterious steel cylinder from her bag, which pulsed with light to the rhythm of her breathing. "Look," she whispered, pushing one of the invisible buttons. A thick fog immediately spread around them, but only they could see through it clearly. Nadia looked at her hands - as usual, they gently flicked with blue fire when she was excited. Kacper, on the other hand, felt the air around him become heavier and denser in an instant, and his senses sharpened, as if he could hear the clatter of ants underfoot. They were not ordinary. Each of them carried a mystery that they didn't even fully understand yet. In recent days, they had increasingly had the impression that someone was watching them. Mysterious shadows appeared in the reflections of the windowpanes, and hissing messages on their phones displayed without a sender. Something was about to happen on the roof that evening that would change their lives forever. Veronica looked up at them: "Tonight you will know my power to the full. We are not the only ones." At that moment there was an unexpected rumbling from the stairwell. Nadia looked abruptly towards the entrance. A figure in a long coat with his face hidden in shadow stepped out of the light. She approached slowly, and Veronica's steel roller began to tremble in her hands. Everyone held their breath, ready to use their powers. Who was the mysterious stranger and were they really safe here? The city below pulsed with light, but a silence hung over the roof, swollen with tension and waiting for the inevitable....