Series of four documentaries with the wide-eyed, inquisitive broadcaster examining different approaches to law and order. In 'Johannesburg' Louis travels to one of the most dangeous cities in the world to see how the residents and authorities cope with the rising violence. In 'Philadelphia', he joins the local police department as they patrol the streets where spiraling drug use and violent crime account for 400 murders a year. In 'A Place for Paedophiles' Louis visits the Coalinga Mental Hospital in California, where 500 convicted paedophiles are housed. Finally, in 'Crystal Meth', he examines the history of this highly addictive drug and the debilitating effect it has had on affected communities.