[8] Writer/director Sam Mendes (American Beauty, Skyfall) and co-writer Krysty Wilson-Cairns bring us back to the trenches of World War I with the harrowing journey of two British officers tasked with traversing enemy territory to deliver a message that will save 1,600 of their fellow soldiers from certain death — including one of the young men’s brothers. 1917 is compelling on two different levels, infusing …