The new owner Štěpán arrives at the castle at the foot of the Krkonoš Mountains with his fiancée, the beautiful countess Blanka, and his younger brother Adam. There is another new visitor in the mountain town, the ethnographer Jiráček, who collects local legends and is amazed that the local people still believe in Krakonoš. Štěpán's carriage knocks down a passing girl, whom Adam helps and she falls in love with him. Will Liduška's love for Adam come true? What mystery does the painting at Hůrka Castle hide and what terrible thing once happened in the mountains? Who will decipher the mysterious marks of the Italian book? And who is Krakonoš and what is his biggest secret?

Friends Hejbal and Kašík long for adulthood so they can do whatever they want, but when a unique chemistry experiment suddenly allows them to grow up, nothing seems as simple as it first seems...

Young knight Cyprian of Višně is long overdue for marriage, yet he refuses to even consider it. However, his cook Kunhuta cares deeply about his future, so she invites one bride after another to the castle. But Cyprian is friends with the castle ghosts—the headless knight, mischievous Cecilka, and the White Lady—and they willingly help him get rid of all the marriage-minded women. One day, their haunting scares Veronika, Kunhuta's niece, to death, but Cyprian suddenly becomes angry...