Moscow, July 1987. Real-estate tycoon Donald Trump visits Soviet Russia for the first time at the invitation of the government. London, December 2016. Luke Harding meets former MI6 officer Christopher Steele to discuss the president-elect's connections with Russia. Harding follows two leads; money and sex. Washington, January 2017. Steele's explosive dossier alleges that the Kremlin has been 'cultivating, supporting, and assisting' Trump for years and that they have compromising information about him. Trump responds on twitter, 'fake news'. Here, award-winning journalist Luke Harding reveals the true nature of Trump's decades-long relationship with Russia and presents the gripping inside story of the dossier.