It all starts light enough: A band plays "Singin' in the Rain" in Chinese in a Shanghai nightclub while a supercilious playboy (Conrad Nagel) pursues a beautiful, if overly serious, member of the English aristocracy (Kay Johnson). A married couple (Holmes Herbert and Carmel Myers), fellow members of the smart set, proposes the lark of a lifetime: a leisurely three-month voyage to the States aboard a borrowed sailing yacht. The American