XIII century. The villain seized power in the Murom principality. Only the brave warrior Peter goes out to fight the villain and defeats him. But the poisonous blood of the sorcerer poisons the savior of the principality. Healer Fevronia is ready to use her gift to save Peter. A real pure feeling breaks out between the young people, which they have to preserve despite many obstacles.

Three hundred years of Koshchey's search for a chosen one have finally been crowned with success, and preparations for the wedding with Varvara are in full swing. However, his cherished dream will not come true so easily, and now Koshchey, along with the Good fellow Elisha and Kolobok, embarks on a dangerous journey to save his beloved.