The new movie, based on writer and actor David Haig's 2014 play, dramatizes the tensions between military leaders and meteorologists in the lead up to the Allied invasion of Normandy.

The new movie tells a story about how good meteorology can literally win wars. It also takes us back in time, to when the United States was at a disadvantage when it came to…

Kerry Condon, Chris Messina and Damian Lewis also appear in Anthony Maras' historical film about the meteorologist who played a key role in the Allied invasion of Europe.