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Louis Theroux: Selling Sex will see the award-winning filmmaker investigate sex work in modern Britain and how the economy has changed since the rise of the internet and social media.
Airing on the channel next Sunday, BBC call the programme "challenging and complex film about the modern face of one of the oldest taboos".
In the show, viewers will see Louis, 49, meet three individual women with different paths that lead them to sex work in the UK.
A press release for the documentary says: "The exchange of sex for money is legal in Britain, so long as it doesn't involve coercion, exploitation, or any kind of public nuisance.
"Now, fuelled by websites and social media, a new economy has emerged - bringing a world of transactional sex to people who might have never previously considered it."
Speaking of Louis' subjects, the broadcaster adds that "rather than on the streets or in illegal brothels, these women sell sex from their own home or hotels, utilising technology to share photos, make bookings and vet potential clients - making the exchange more accessible and, according to some, safer than the illegal alternatives.
"The age-old issue of whether sex should ever be traded remains, with many believing it to be exploitative and damaging, driven by a society still shaped by the desires of men. Yet there are those who feel that selling sex can be a valid, empowering choice for those who choose to engage in it.
"As Louis meets the women and men participating in the new sexual economy, he explores whether selling sex can ever be a healthy way to make money."
Sounds riveting - but would you expect anything else from Louis?
Louis last tackled the subject of sex work in 2017 with Sex Trafficking in Houston in which he investigated sex workers and their pimps in the Texan city.
Before that in 2003, Louis explored the Brothel, in which he met owners and workers at The Wild Horse Ranch in Reno, Nevada.
Louis Theroux: Selling Sex will air on BBC Two at 9pm on Sunday, 12th January.
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