Once Upon a Time There Was a Ghost

Do ghosts really exist? That's the question!.. Ask it to your friends, and most will laugh at you: «Storyteller!». But those who have seen a ghost even once will say: «Yes! They exist!..». Maxim and his friends have seen a ghost many times, both from a distance and up close, and once they even communicated with him… They certainly know that ghosts exist in nature. Moreover, the kids managed to uncover the ghost's secret – the reason why he appears to the visitors of his castle from century to century…