A giant moon hovered over the ruins of the old city, and lights shone again among the abandoned tenements. The Lunaris Circus, shrouded in mystery, appeared unannounced and in an instant breathed life into the deserted streets. As the residents closed their shutters, three friends - Lena, Julek and David - slipped out of their houses, unable to resist the magnetic attraction of the coloured spotlights. Already from afar they could hear the clatter of drums and a quiet rustling, as if someone was laughing at them from the darkness. The arena was set up just on the edge of a forgotten park, shielded by a thin mist and flying pennants. Waiting at the entrance was a lady in a black cylinder, her face covered by a silver mask. She nodded to them and disappeared among the smoke as they went inside. Inside, misty-eyed spectators sat on long benches. The arena glowed with emptiness, but suddenly the music resounded - at first soft, then increasingly chaotic. Then the first performer appeared: a clown with fiery hair, whose shadow was clearly larger than himself and moved quite differently from him. Lena felt a shiver down her spine, Julek squeezed David's hand tighter. But most frightening of all was the fact that the artists' shadows began to multiply rapidly along the walls of the tent, whispering to each other and looking straight at them. Silence fell suddenly, the lights dimmed, and from behind the curtain came a drawn-out laugh. The three friends held their breath as a mysterious lady with a mask emerged from the darkness, carrying in her hand a...