London, night, the lights of the sleeping city mirrors in the Tames. A woman meets smoke a cigarette and stares at the river, waiting. At midnight she opens a letter and follow the clues that leads her to the HMS Belfast viewing point. A man and a young woman sit down in a bench close to her. When they leave the man the woman sees a book left on the bench. She finds another clue and walks away embracing a dangerous game.
