Alexa Romanes's play for young people traces the fortunes of the poorest of the human chain in Victorian London, from the mudlarks who scour the Thames mud for a pittance, to the crossing sweepers, costers and pickpockets. Into their midst comes a mysterious stranger, Sal, a maid-of-all-work from the country who is running from her Rotherhithe employer.12 women, 10 men