Tim Samuels reveals that pornography is becoming more extreme, yet despite this, companies that are household names seem surprisingly pleased to make money from it. He finds out that extreme porn is making extreme profits for internet search engines and even pension funds.

On set in America, Tim speaks to porn actors - including Nikki Jayne - who say they feel increasing pressure to undertake hardcore sex acts. He talks to the godfather of porn, Larry Flynt, and discovers that even he thinks porn is going too far.

However, there are more and more companies keen to cash in and collect porn's dirty dollars. A whistleblower tells him there is a Catholic investment fund that appears happy to profit from porn distributors, so he travels to Rome for a heated interview with the head of Christian Brothers Investment Services.

Twitter: @TimDSamuels
Made by Plum Pictures

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