A comedy about the clash between two families: the free-spirited, eccentric Sycamore clan and the wealthy, materialistic Kirbys. When Alice Sycamore and Tony Kirby Jr. become engaged, Alice invites her prospective in-laws to dinner, leading to a hilarious collision of worlds where the Kirby's greedy pursuit of wealth is contrasted with the Sycamores' pursuit of happiness through joy, and unconventional living, ultimately leading to a change of heart for the Kirby patriarch, Anthony P. Kirby, and a lesson in finding fulfillment outside of material