Ed Barker, 52, a reformed drunkard, resolves to live rough on the streets of central London. He becomes friendly with a disparate group of people: two old-timer rough sleepers; the Bengali owner of a cheap hotel; a young female art student; and a Romanian Big issue seller called Anna. He gets mixed up in the murder of a local woman and as a consequence suffers an attempt on his own life. With the help of the homeless community he tracks down the murder...