Comic adventure awaits the Willard family when Harry (Fred MacMurray) packs up the wife and kids and sets sail on a long-awaited "dream" vacation to romantic France. However, their trip includes some unforeseen adventures: his wife Katie (Jane Wyman) is pursued by a Hungarian admirer, his daughter Amy (Deborah Walley) meets a brash young playboy, and Harry himself gets hopelessly lost on a tour of the Paris sewer system! Join the Willards for a hilarious, whirlwind trip they'll never forget!