With nothing left to live for, a grieving and guilt-ridden Harry Stone enlists to fight on the Western Front. Although withdrawn and solitary, he is befriended by card-sharp Arthur and when the two of them are assigned to drive ambulances, their friendship is sealed. As they sail for France, Harry encounters Rose, a young woman fulfilling her dream of nursing at the Front. With Arthur by his side, amidst the horrors of war, Harry begins to...