The Dark Angel (1925)

Alan Trent Ronald Colman his cousin Gerald Shannon Wyndham Standing and neighbor Kitty Vane Vilma Bánky have grown up together as close playmates When World War I starts both Alan and Gerald enlist in the British Army as officiers and Kitty sees them off to war Many months later Alan and Gerald come back to Kitty on a short furlow Alan and Kitty reveal their love for each other Gerald whos in love with Kitty too congratulates his friends But before Kitty and Alan can arrange to be married the next day the furlow is cut short and both men head back to the front lines Weeks later Gerald will not give Alan leave to marry Kitty Still arguing both men volunteer for a reconiscience raid into enemy lines where a grenade goes off near Alan and appears to kill him Gerald and Kitty mourn Alans death After the war ends Gerald and Kitty become engaged to be married