Coming as a conqueror to the walls of Rome, his mother and wife persuade him to spare the city. He causes the Volscians to make peace. The Volscians return home dissatisfied.
On his return to the Volscian territory Coriolanus is impeached as a traitor, and stabbed to death by conspirators.
Shakespeare's tragical characters are all destroyed by the excess of some trait in them, whether good or ill matters nothing. Nature cares for type, not for the excessive. Sooner or later she checks the excessive so that the type may be maintained. She is stronger than the excessive, though she may be baser. To Nature, progress, though it be infinitesimal, must be a progress of the whole mass, not a sudden darting out of one quality or one member.
Timon of Athens is betrayed by an excessive generosity. Coriolanus is betrayed by an excessive contempt for the multitude. He is one born into a high tradition of life. He has the courage, the skill in arms, and the talent for affairs that come with high birth in the manly races. He has also the faith in tradition that makes an unlettered upper class narrow and obstructionist. Like the rich in France before the Revolution, he despises the poor. He denies them the right to complain of their hunger. Rather than grant them that right, or the means of urging redress, he would take a short way with them, as was practised here, at Manchester and elsewhere.
"Would the nobility lay aside their ruth,
And let me use my sword, I'ld make a quarry
With thousands of these quarter'd slaves, as high
As I could pick my lance."
Like all conservative, aristocratic men, he sees in the first granting of political power to the people the beginning of revolution.
"It will in time
Win power upon and throw forth greater themes
For insurrection's arguing."
He regards the people as a necessary, evil-smelling, many-headed beast, good enough, under the leadership of men like himself, to make inferior troops to be spent as the State pleases. It is possible that Napoleon and Bismarck looked upon the mob with similar scorn. The ideas are those of an absolute monarch or super-man. The country squire holds those ideas, though want of power and want of intellect combine to keep him from applying them. The sincerity of the ideas is tested from time to time, in free countries, by general elections.
Much of the pride of Coriolanus springs from a sense of his superiority to others in the gifts of fortune. Much of it comes from the knowledge that he is superior in himself. Leading, as becomes his birth, in the war against the Volscians he shows himself so much superior to others that the campaign is his triumph. He is "the man" whom Napoleon counted "everything in war." The knowledge of his merit is so bright within himself that he is unable to see that it is less bright in others. He is willing to become the head of the State if the post may be given to him as a right due to merit, not as a favour begged. He has no lust for power. But knowing himself to be the best man in Rome, he thinks that his merit is sufficiently great to excuse him from the indignity of sueing for it. The laws of free countries prescribe that he who wishes to be elected must appeal to the electors whether he love them or loathe them. Instead of appealing to them, Coriolanus insults them with such arrogance that they drive him from the city.
He fails as a traitor, because he is too noble to be fiercely revengeful. A lesser man, a Richard III, or an Iago, would have exacted a bloody toll from Rome. Coriolanus cannot bring himself to be stern, in the presence of his old mother and his wife. Something generous and truly aristocratic in him makes him a second time a traitor, this time to his hosts the Volscians. He spares Rome by the sacrifice of those who have given him a shelter and a welcome. Treachery (even from a noble motive) is never forgiven in these plays. It is always avenged, seldom mercifully. The Volscians avenge themselves on Coriolanus by an act of treachery that brings the noble heart under the foot of the traitor.