Leaving his spring cleaning unfinished to enjoy the sun and the outdoors, Mole meets Water Rat by the river a sight he had never seen before and becomes enchanted by the riverbank life as they set off on a cheerful boat trip.Visiting the wealthy but fickle Toad together with Rat, Mole joins a horse-drawn caravan trip at Toad's persuasion; however, the journey ends in disaster when a luxury motorcar forces their caravan into a ditch, sparking Toad's new obsession with automobiles.