Summer Adventure in Lukomorye

Fifth grader Petya Korotkov is not happy about the summer at all. Why would he be? After all, the vacation will have to be spent in a remote village where his grandfather once lived. However, it turns out that living in Vikhrovka is not boring at all. Petya learns that his grandfather kept a secret all his life. In search of its solution, Petya finds himself in a parallel world — Lukomorye, where he meets characters from his favorite fairy tales, who are not at all as they are commonly perceived…