Presenter Michelle Ackerley follows investigators as they crack down on rogue social housing tenants, seize their homes and give them to families in genuine need. She's joined by property expert Luke Doonan.

Michelle reveals how one property owner is brought to justice after managing to get his hands on not one, not two, but three social housing properties in three different council areas. Croydon Council launches an investigation into the tenant and the full scale of the fraud begins to emerge. Housing officers discover the tenant was also the part-owner of two other properties.

Meanwhile, in Lincolnshire housing officers finally get their hands on the keys to a three-bedroom house that's been lying empty for more than a year. And in Aylesbury, noise complaints prompt a father to give back the keys to a property he's no longer living in and his teenage son has been using. Show less