The World Economic Forum in Davos, Switzerland, likes to think of itself as the premier global event for politicians, business leaders and celebrities to put the world to rights. It proudly boasts of a commitment to the empowerment of women. But what's the reality? Cate Brown investigates allegations of sexism, harassment and even sex workers operating during the WEF, with undercover reporters infiltrating the event, as well as testimonies from female visitors who are fed up of their treatment by men.