In the middle of World War I, nine British soldiers caught behind enemy lines seek refuge in a complex network of German trenches. What they soon discover is that they aren't alone - and it isn't a German soldier that's hunting them down.
Tom and Eloise meet in inauspicious circumstances, trapped in a stuck lift after Eloise has Tom fired. Nevertheless, sparks fly. 5 years later, they have broken up and Eloise is going back to France. Tom has 45 minutes to win her back.