Cora is a widow who lives with his teenagers on the outskirts of London. The solitary jacob lives alone at the opposite end of the city, likes to read books and watches people. The two are connected only by the Central Line metro route, which goes to work daily. They have probably passed a thousand times without knowing themselves. Only one day their journeys really intersect. Is Cora after her husband's death be able to burn by love for Jacob? And will help him overcome his great trauma?