Elya yelnats wants to marry Myra Menke. but igor is offering a fat pig to the father so elya has nothing to do to marry her.
Elya visited his friend madam zeroni and asked for a pig madam said you can have this small pig but you need to take the pig up to the mountain to drink from and sing to it everyday until it is Myra's birthday.
Elya carried the pig up to the mountain and as it drank elya sung to the pig all night long.
Elya brings his pig to myras father but igors pig is the exact same weight so elya leaves.