1940年6月的一个周末,德军即将侵入,英军被迫撤退,驻扎在附近邓科克海滩的法国士兵也想撤离,以便更有效地打击德军。但因为英军需要使用船只,所以法军被迫就地待命。随后的冲突中不少无辜百姓遭殃,一名妇女拒绝离开自己的家园,跟法军互相支持。与此同时,海滩上的战士似乎成了德军飞机的活靶子。Set during World War II, and stuck on the beaches near Dunkirk, Julien Maillat tries to join England by boat with the English Army, but cannot succeed. He , then, tries to organize the life for him and his soldiers friends between German raids and shells.