In the past few years, the Traveller community have been buying land and property in Rathkeale in County Limerick. 80% of the town's land and property now belongs to them, placing a dwindling settled community under siege. Over the course of a six-month investigation which takes him across Europe, journalist Paul Connolly digs down to the core of Rathkeal's cross-cultural tug-of-war, uncovering a criminal network, widespread corruption and a town gripped by fear.