Fairy tale audiobook based on the book of the same name by Petr Stančík
The siblings Fila and Žofie have a problem: their mom is sad because she lost her gold ring. The twins don't want to leave it alone, they try to get their mother a new ring, but there is a catch - not even all their savings in the piggy bank are enough to buy a ring for the children. But the siblings don't give up; they meet the mysterious snake Uroborc, who offers to show them how gold is made.
Fila and Zofka set off on an adventurous journey to the realm of Alchemy with Uroborc, during which he attends a real alchemical wedding, together they will read the secret of the Emerald Tablet, they will know the (Red) King and the (White) Queen, from which, combined with the heat of love, perfection will emerge, they will pass through a large part and finally reach the Mudrckámen Castle.