Dark alleys, rain-soaked streets, wisps of fog—Harry Benson, a man of good character, is on his way home at night. Suddenly, shadows appear everywhere, strangers follow him, and eerie footsteps send shivers down his spine. He moves faster and faster through the city's alleys, but his pursuers remain close behind. Fearfully, Harry asks himself: What do they want from him, a harmless, inconspicuous citizen?