Friday evening walking tours in London will be taken to their hottest levels yet, as spy tour company THE INTELLIGENCE TRAIL announced the running of the x-rated ‘Sexpionage’ tour until the end of July 2011, with possible extensions throughout the summer months.

The adults-only tour fully justifies its status as the edgier antics of the 'second oldest profession' are recounted in the spy capital of the world - London.

‘Trail Head of Marketing Brian Gray explains further. “While the classic 'Trail tour itself offers a potent mix of sex, violence, treachery and betrayal, the Sexpionage tour concentrates wherever possible on the ‘fruitier’ aspects of the second oldest profession. In other words, the sex and violence! So whilst the route is similar, the content is decidedly hotter!”

So what can be expected on tour? Walkers will certainly learn about Britain's most well known intelligence services: MI5 and MI6, as the tour jumps around the decades of the last 100 years. But there will also be scandals, entrapments, and defections galore, as the world of ‘honeytraps’ and ‘romeos’ is brought to light.

After learning about some of the more eyebrow-raising aspects to the life of James Bond creator - and WWII Naval Intelligence Officer - Ian Fleming, the focus turns to some of the fruitier antics of the Cambridge Spy Ring, Britain's infamous spy traitors. In addition to this, there are some sexual twists to the early days of Britain’s Secret Intelligence Service (MI6), and explaining Britain’s worst Cold War political scandal. There is also the opportunity to learn about MI5 redressing the balance after catching an undercover KGB officer undressing, and the revealing of the former Metropolitan Police Officer who became a KGB ‘Romeo’ agent.

Gray maintains no other tour like this exists in central London. “In terms of fun things to do in London on a Friday summer’s evening, this is the hottest walking ticket in town, and most definitely a fun experience for couples who are fascinated by the coming together of sex and spying – the two oldest professions. It will certainly make for an interesting date instead of a trip to the cinema!”

And as could be expected the tour comes with its own ‘health warning’ – the tour is not for the narrow-minded or easily embarrassed.

Tickets for the tours are priced at £17.50 per person and can be bought online at Get Your Guide