Mrs. Megamounds is still stuck at the North Pole, providing all the milk that Santa and the elves need! But when Mrs. Claus returns to the workshop, Mrs. Megamounds discovers that she’s not the only heffer at the North Pole rocking titanic milk tanks! And Mrs. Claus is not happy to see that another woman has been stealing her thunder… it looks like this rivalry is going to be settled with a good old fashioned milking contest!