1930’lu yılların İngiltere’sinde geçen filmde, İtalyan Sabinis ve İngiliz White ailesi West End şehrinin yeraltı dünyasını ellerinde tutar. Öte yandan Londra’nın en kötü şöhretli gangsterlerinden olan Billy Hill ve Jack 'Spot' Comer isimli adamlar 2. Dünya Savaşı’nı fırsat bilerek yeraltı dünyasını ele geçirir.

Bir Zamanlar Londra'da

Donald Crowhurst competes in an around the world boat race. His lack of experience and mental state soon lead to tragedy.

Crowhurst

When two young boys playing in the woods discover a military bunker they unintentionally release the ghost of a World War II auxiliary soldier who mistakenly believes the Nazis have landed.

War. Soldier JACK deserts his unit and finds his wife Eva in isolated village in the mountains. She moved there to work in a factory unaware of the cruel owner BAR. Secret police arrives and it seems both Jack and Eva's time is up.