Life is a string of successive days in which we perform habitual actions. Every morning a man leaves his house and walks to work. He knows every turn and crossroads on his way. He comes across passers-by and over time he begins to remember their faces. Among others, he constantly notices a man with a green bag in his hands. For unknown reasons, he begins to feel vague anxiety, and the man with the green bag cannot get out of his head, and paranoia begins to bloom in the background...