Letting agent Paul has a tenant in Lancashire who is behind with his rent and won't return any calls, but the situation is much worse than he could possibly have imagined when he heads into the upstairs bedroom. Harrow enforcement officers Andrew and Ozge are called to a local salon, where a leak from the upstairs flat is disrupting Masi's ability to run her shop. Once the landlord agrees to give them access, they discover terrible conditions and a back yard piled with rubbish