Blatantly stolen from history. You guys can take this and run with it.
Scene: Badly outnumbered rebels/revolutionaries are hold up in a war for independence. Supplies are running low. The enemy commander has declared no quarter will be given. The commanding officer of the rebels has drawn the line in the sand and one by one, those present have stepped over, declaring their determination to fight to the death.
Setting: some time in the future
Now go! It’s up to you guys to write the story.