From a Scottish Castle to a Merseyside boozer, via the FBI’s most-wanted list, this is the incredible story of a missing masterpiece.

In this final episode, decades on from the Magic Circle scandal, a dark secret is revealed about Shiny Bob and his inner circle. You can watch the accompanying documentary, 'Beneath the Magic Circle Affair', on BBC iPlayer.

As the damning contents of a leaked secret police report spark outrage, a high profile lawyer is tasked with finding the truth of the Magic Circle conspiracy theory.