This is a parody of cartoons from [url=https://en.wikipedia.org/wiki/Melnitsa_Animation_Studio]Melnitsa Animation Studio[/url].
Here is the story about a Russian boy, who purchases a pirated game and is subsequently whisked to a fantasy land. There an organization called 'Dark Force' wants to defeat Russian heroes and Tjoma accepts their contract. And his first evil deed, he decides to take the acclaimed folk hero Dobrynja's wife as his own woman.