Two strangers live in London, travelling through its veins to the beating heart of the city day to day. One is a girl, Jessica. She has moved to London to live with her brother and to start a new job and a new life. The other is Edward. He lives in an unhappy marriage with his jealous wife and is unsure of why he is working in the line of work that made his father so unhappy. They meet on the tube. Instantly they feel something between them, something larger than any words can explain.