O casal americano Mike Harper (Rod Taylor) e Janet Harper (Doris Day) se mudam para a Inglaterra por conta do trabalho de Mike em sua empresa de roupas e tecidos de lã. Apesar de Mike preferir viver em um apartamento no coração de Londres, Janet, que não é uma menina de cidade grande, aluga uma casa 30 milhas fora de Londres, em Kent. Por isso que Mike muitas vezes por conveniência dorme em um dos apartamentos da empresa em Londres. E aí Janet começa a achar que Mike arrumou uma amante, a secretária, e o Mike acha que Janet está apaixonada pelo decorador. E começa a confusão.
Wealthy hotshot Cash McCall makes his money by purchasing unsuccessful businesses, whipping them into shape and then selling them for a huge profit. When Cash comes across Austen Plastics, a small manufacturing corporation on its last legs, he realizes it might be a gamble to buy the company. But when Cash finds out that the company's owner is the father of his old flame, Lory, he buys the business just to get a second chance at romance.
While working as a counselor at a summer camp, college-student Marjorie Morgenstern falls for 32-year-old Noel Airman, a would-be dramatist working at a nearby summer theater. Like Marjorie, he is an upper-middle-class New York Jew, but has fallen away from his roots, and Marjorie's parents object among other things to his lack of a suitable profession. Noel himself warns Marjorie repeatedly that she's much too naive and conventional for him, but they nonetheless fall in love.
