The Day Will Dawn

The Day Will Dawn, released in the US as The Avengers, is a 1942 war film set in Norway during World War II. It stars Ralph Richardson, Deborah Kerr, Hugh Williams and Griffith Jones, and was directed by Harold French from a script written by Anatole de Grunwald, Patrick Kirwan and Terence Rattigan, based on a story by Frank Owen. The music by Richard Addinsell was performed by the London Symphony Orchestra conducted by Muir Mathieson.

The pair say goodbye and Metcalfe, getting into what he thinks is a taxi, is kidnapped by the Germans and put on board a ship bound for the German port of Bremen. Meanwhile, Germany invades, Metcalfe is scooped on the news of the invasion, and back in Britain Chamberlains government falls and Churchill becomes prime minister. A British warship intercepts the ship on which Metcalfe is held and liberates him but she is rerouted to Cherbourg to help Operation Ariel, the evacuation of British troops from northwestern France, before she can get Metcalfe back to Britain. Amidst the carnage on the docks at Cherbourg, Metcalfe finds Lockwood, dying of wounds.Back in Britain as the Blitz begins, Metcalfe is convinced not to join up and instead to start a press campaign for the public to make economies on the Home Front to help win the Battle of the Atlantic. Just about to set out on it, he is called upon by the Admiralty to be parachutedropped back into Langedal, sabotage a camouflaged Uboat base nearby, and escape across the border into neutral Sweden. On landing, he is spotted and pursued by the Germans, but manages to escape and gain shelter. There he finds that Alstad has been interned by the Germans, and Kari has brought shame on herself by getting engaged to the traitorous Gunter. However, when at a tense NorwegianGerman friendship dance the Germans arrive to demand Metcalfes papers, Kari saves him by inciting a riot and hiding him at her house. There she reveals she only took on the engagement to obtain her fathers release. ........

Source: Wikipedia