Sheil Road in Liverpool is notoriously one of the cheapest places to buy sex in the UK. This is the stark and unforgiving story of the women driven to sell sex, some for as a little as four pounds.

We hear the heart-wrenching story of Natalie, pictured, whose life has dramatically changed over 12 months living on the road. Now trapped in a cycle of soliciting sex illegally to feed her drug addiction, and with competition driving down the prices she's able to charge, can rehab be an escape route for her?