Mario has just returned from the campaign, and again goes in search of Bowser 's lair. The villain threatens to steal the princess and destroy the kingdom. The enemy army grew and became stronger, mushrooms after a rain have become powerful and have reached the size of a plumber on a Mushroom not zaprygnesh. Bowser has prepared a trap with poisonous spiders and other unpleasant surprises, give character to win and collect all the gold.