Yana was lucky enough to spend this creepy, mysterious Halloween holiday in the homeland of the famous vampire Dracula. How not to envy a girl? But no one in the world knows that in a land covered in legends, she will not have fun at all at a carnival in an ancient Gothic castle. After all, Yana is the intrepid Hunter of black ghosts, who is destined to meet her Sister-Hunter on this ancient land and, together with her, rush into the decisive battle with the forces of evil. "Who is she, my mysterious sister?" - Yana thinks, peering into the faces of those present at the gloomy carnival. But her enemies do not allow her to come to her senses - out of nowhere, in the middle of a disco, a nightmarish monster with giant fangs appears. This is the Messenger. This means that evil is on the warpath...