Mickey Mouse is piloting a side-wheeler paddle steamer, cheerfully whistling "Steamboat Bill" and sounding the boat's three whistles. Soon, the captain, Pete, appears and orders Mickey off of the bridge. Annoyed, Mickey blows a raspberry at Pete who afterwards attempts to kick him, but Mickey rushes away in time and Pete accidentally kicks himself in the rear. Mickey falls down the stairs, slips on a bar of soap on the boat's deck, and lands in a bucket of water. A parrot laughs at him and Mickey throws the bucket on its head. Pete, who has been watching the occurrence, pilots the steamboat himself. He bites off some chewing tobacco and spits into the wind. The spit flies backward and rings the boat's bell. Amused, Pete spits again, but this time the spit hits him in the face, to his dismay. The steamboat makes a stop at "Podunk Landing" to pick up a cargo of various livestock. Mickey has trouble getting one of the slimmer cows with a FOB tag onto the boat attached to a harness. To s