England, World War II. The most part of the empty London battles at the front. The ministry of information of Great Britain employs the screenwriter Catherine Cole whose task - to introduce a part of femininity at the propaganda cinema directed to a raising of fighting spirit. Her inherent talent is quickly noticed by the vigorous producer Buckley. While bombs are detonated around, Catherine, Buckley and the whole team of professionals furiously work on the movie which is designed to warm heart of all nation.