"Magic, to a sailor, is harnessing the wind – getting something for nothing – the surprise of a gust, the boon of a side-wind and the trial of a headwind and best of all, the moment when a change in direction means turning away from the head seas and wind and running down the wind in a new warm silence."

In 1969, man flew to the moon and sailed around the world solo. In 2009, sailor and Londoner Steffan Meyric Hughes thought he'd try something a little closer to home, becoming the first to sail and row around London in a small boat. Along the way, he discovers the truth behind boats, the sea and rivers, the history of the great city's future and great secrets of the mysterious Thames: wrecks, bombs and intrigue. Circle Line is the story of a unique journey on the forgotten waterways of one of the world's greatest capitals; an investigation into the way we live today; and a humorous, sometimes moving trip down memory lane.