Un hombre (Cary Grant) pasa la Segunda Guerra Mundial (1939-1945) en una paradisíaca isla de los mares del Sur. A causa de un accidente inesperado se refugian en la isla seis niños y su bella institutriz francesa (Leslie Caron).
Ma Barker and her four sons terrorize the 1930s South and Midwest with a string of kidnappings, robberies and murders, and even get to work with such famous criminals as John Dillinger and Baby Face Nelson.