Princess Verunka's marriage is supposed to save the kingdom, which has been impoverished by the crazy ideas of its ruler. And she has several suitors! The poet Alexander Alexandrovich, who would make even Pushkin pale with envy, the two-headed baron, military leader and composer Wajsman, the mysterious Marquis, who rules with the magic of his mother, the queen of death Morana, and the eccentric inventor Sir Klevr. Can Ondra, a boy who longs to become a whitewater swimmer, be their worthy opponent?