The description on the police charge sheet at a magistrate's court - a description that fits at least a thousand men and women in London alone. People who wander the city streets, sleep where they can. in parks and stations, until the police move them on. Their numbers are on the increase and the authorities are worried by the problem. Perhaps the most perplexing aspect of the situation is the number of women living this way. Who are they? Where do they come from? What lives did they lead before this one? And why do they prefer the life they have now?