Seven Nights in Japan (1976)

Handsome Prince George arrives on board his ship in Japan. Youthful, immaculate in naval uniform and smiling broadly, he goes through the complicated formalities of being greeted by a host nation. But housed with the Ambassador and his family, the Prince finds the atmosphere stuffy and dull; he longs for freedom and, for once, rebels against his upbringing with all its constraints and responsibilities, escaping for a week of romance, and unexpected drama…