On August 8, 1963, Britain awakens to the news of the biggest robbery in the nation's history. Who could have executed such an audacious raid? This thrilling drama from the acclaimed writer of Broadchurch is both a classic heist story and a fascinating real-life mystery.

Two part mini-series tells the story, firstly from the point of view of the robbers and then from the point of view of the police who set out to identify and catch the robbers.