Godfather. Puzo M.

Corleone clan is the most powerful throughout America. For society, they are oil traders, but in reality the sphere of their influence is much larger. The only thing that Don Corleone does not want to stain his hands is drugs. His refusal greatly hurts the rest of the families. They cannot forgive such an aging Don. A long war between the clans begins. The concept of generic revenge is also alive, so you can stop the massacre only by going to a risky step. Few will live to a truce, but even this will not be able to help them avoid retaliation for old sins...