British 19th century war movie title? friend who did not enlist follows to rescue friend about to be married?

seven feathers or like that title. they are group of male buddies and they all enlist except one who was a pacifist. his other friends ridiculed him thinking he was a coward but his best friend supported his decision not to go to war. his best friend was also engaged with their female friend. when news came that the entire company of her fiancee was wiped out, killed or captured, she went into depression, the guy who remained then travelled on his own from england to north africa to search for his best friend, in the end he rescues his friends and they were all shocked to see that this guy who they considered a coward fought his way alone just for them.