“Walter” (Cary Grant) is a bit of a rogue who is conned into helping the war effort by “Houghton” (Trevor Howard) and so takes up residence on a remote Pacific island where he is to report sightings of Japanese aircraft, shipping etc. In return, he will be given his very own island Easter egg hunt - only it will be for bottles of Scotch, instead! He’s grumpily resigned to his duty until one day he encounters “Catherine” (Leslie Caron) on his island complete with her own set of ducklings - half a dozen young daughters of the French diplomatic corps left behind. She demands that he help, he deman...