This four-part series is made by Norma Percy and the team at Brook Lapping with a track record for getting behind closed doors with multi-award-winning series like The Death of Yugoslavia, The Second Russian Revolution, and Iran and the West. For the first time Putin's top colleagues - and the Western statesmen who eventually clashed with him - tell the inside story of one of the world's most powerful men.

Vladimir Putin, after eight years as president of Russia and four more as prime minister, is stubbornly holding on to power.

The inside story of Barack Obama's relationship with the Kremlin.