Flame & Citron, or Flammen & Citronen (Danish), is a 2008 Danish film set in Nazi-occupied Denmark during World War II. It follows the story of two resistance fighters, Flame and Citron, as they carry out acts of sabotage against the Germans while struggling with their own personal demons.
The movie title font is most likely set in Britannic Bold, which was created by the British type foundry, Stephenson Blake. This commercial font was widely used from the 19th century until the 1990s, and additional information about it can be found here.