Tuesday 25 September 2007 11:05pm - 12:05am on ITV1.

When high class call girl Belle De Jour published her diaries on the internet, it provided a rare and compelling insight into the lives of thousands of educated, confident and sophisticated young women who’ve turned to the world’s oldest profession.

Call Girls: The Truth looks at why, in a society of equal opportunities where women have more freedom and wealth than ever before, many are making a conscious decision to sell their bodies at a premium rate.

The documentary delves into the world of high-class escorts, featuring a series of candid interviews with women operating at the top end of their market. They reveal why they turned to selling sex, what their families and friends think of it and how it has transformed their lives.