Fleeing from his evil guardian, the witch Mombi, young Tip runs off to the Emerald City, where he's caught up in a palace coup with the Army of Revolt.
The habits and customs of a strange association, "La Sociéte des Gentlemen Redempteurs", which has turned assassination into a veritable art form. But all the fine mechanics of this secret organization go haywire when each member offers his wife to become the next victim.
