Original title: O léčivé vodě
German title: Wunderwasser
Once upon a time, King Juraj’s kingdom and the water kingdom peacefully co-existed. Every day, Princess Hanka played by the river, thereby winning the heart of the water queen. She promised to protect the girl, especially since Hanka had lost her mother three years ago. Actually, the princess lacks nothing now, because King Juraj lovingly takes care of his daughter. But then her uncle Filip insists that Juraj remarries. Hanka is furious and flees to her favourite spot by the river, even though a storm is approaching. She falls into the water and is luckily discovered at the last minute by the miller’s boy Jakub. He is able to save her, but Hanka remains unconscious until the water queen trustingly gives father Juraj a bottle of magic healing water. But this water must never fall into the hands of selfish people, or it will dry up forever. Ten years later, when Hanka has grown into a young woman and many people have already been healed with the magic water, Filip and his wife Henrieta come to visit. Henrieta, however, has only one thing on her mind: getting her hands on this precious liquid ...