A communal war broke out on one of the landings of a new house that had just been occupied with the arrival of another neighbor. The forces were not equal. A weak, undistinguished old man declared war on the young, strong neighbors of the three other apartments on the landing. Come on! The guns of various services and authorities roared, and law enforcement officers used all their capabilities. And they retreated before the quiet and triumphant voice of the old man.