Animated filmed musical Thanksgiving fantasy based on the whimsical diary of Willum, a mouse, who was with the Pilgrims on their 1620 voyage to the New World; with Tennessee Ernie Ford as narrator and the voice of Willum, with as other voices, John Gary (as John Alden), Eddie Albert (as Miles Standish) and Joanie Sommers (as Priscilla Mullins).