Sadko
The gusli player Sadko leaves his wife Lyubava and Novgorod to seek his fortune. With help from the Sea Princess Volkhova, he catches golden fish and sails abroad, later marrying her in the Sea Tsar’s realm. After a storm destroys the undersea kingdom, Sadko returns to Novgorod wealthy, and Volkhova becomes a river flowing from Lake Ilmen to the sea.