A job offer tempts a banker to consider uprooting his close-knit family and moving to New York. However, his wife and children struggle with the prospect of leaving their friends behind, and are horrified when they realise they might miss out on the 1904 St Louis World's Fair. Meanwhile, teenage daughter Esther faces the abrupt termination of her romance with the boy next door. Musical, starring Judy Garland, Tom Drake and Margaret O'Brien