![Louis Theroux](http://image.tmdb.org/t/p/w92/nFW75gibtOMzIJtM6cWMRlR6oXW.jpg)
Louis heads to Las Vegas, to reveal the world behind the myths of casino culture. Among the people he meets are two of the casino's 'high-rollers' and an employee who looks after them as well as a retired doctor who says she has gambled away $4million in seven years.