Calling to his companion he quickly entered the same building, where they were confronted by a sentinel.

They were permitted to pass in, when they informed him that they wished to see the officer who had just entered, but they failed to find him.

As they we about to retire they were stopped by the sentinel, who refused to permit them to leave.
He called for the Corporal du garde who placed both of them under arrest and marched them into a room where many officers were seated.

Among them, Paul discovered the one he sought, who also immediately recognized him and advancing asked him how he came to be in Paris.

Paul told him he had come to Paris simply through curiosity and if necessary to take a hand in anything that was going on.