1939年，二戰如箭在弦之時，美國總統羅斯福大宅內，發生了兩件至今仍為人津津樂道的事件：一夜之間扭轉全球局勢的美英「熱狗外交」，傳為一時佳話；而羅斯福總統(標梅利 飾)與紅顏知己黛絲(羅娜蓮妮 飾)的絕密私交，亦同樣引人入勝！ 羅斯福的遠房表妹黛絲，兜兜轉轉竟做了總統情婦，如此風流韻事一直無人知曉，直到黛絲百年歸老，她與羅斯福的情信被發現後才公諸於世。而在她的日記中，更記載了當年總統與英王佐治六世非一般的週末之約。為何英國王室首次訪美，羅斯福竟以「熱狗野餐」招待貴賓？一隻普通不過的美式熱狗，如何打救英國於水深火熱之中？羅斯福在人前人後，又是否判若兩人？黛絲以第一身披露當中不為人知的點滴，以及她與總統之間更鮮為人知的絕密情史！

Charles Farrell stars as a British working stiff named Niba, who hopes one day to attain a Parliamentary seat. Niba's life is permanently altered when he rescues forlorn American girl Ann (Charlotte Henry). Though forced to give up his political dreams, Niba contentedly sets up house with Ann, eventually falling in love with her.

The Hilton Hotel rises from the ashes, surrounded by derelict houses and bomb damaged streets.

We Protest: 80,000 descend on Hyde Park to demonstrate against Hitler’s antisemitism.