Koshey the Immortal, evil sorcerer king and necromancer, whose death is stored on the end of a needle. He craves gold and kidnaps beautiful maidens to his fearsome castle. Ivan the Tsarevich bursts into the castle to kill the villain and free his betrothed. Koschey sits in his throne room and looks boredly at his guest "How about this. I'll give you three trials. The first test is the iron hare, the second is the golden duck, and the third is the cup with the serpent. If you lose, you are mine