Lebanese Prime Minister Rafik Hariri, known as "Mr. Lebanon," was killed by a massive explosion as he drove along the Beirut seafront on Valentine's Day in 2005. A business entrepreneur, who rose from nothing to become one of the most powerful men in Lebanese politics, Hariri's assassination has incited outrage and suspicion. Nicholas Blanford investigates Hariri's past, inextricably linked with that of Lebanon, and uncovers a murky world of shifting alliances between businesses, the military, politicians and diplomats. Based on exclusive interviews with key players, he traces the last weeks of Hariri's life, and reveals who stood to gain from his death. He assesses its impact on Lebanese politics including the withdrawal of Syrian troops, Hezbollah and the peace process.