The End of the Day

Charlie has a new job. He gets to travel, and he meets interesting people, some of whom are actually pleased to see him.
It's good to have a friendly face, you see. At the end.
But the end of all things is coming. Charlie's boss and his three associates are riding out, and it's Charlie's job to go before.
Sometimes he is sent as a courtesy, sometimes as a warning. He never knows which.