Leonardo continues his quest for the Book of Leaves. The Pope’s nephew arrives and meets his spy. Leonardo’s war designs fail, causing a rift with the Medicis. The Pope learns of Leonardo’s prowess.

Andrew Brooke, Bill Thomas, Celyn Jones, David Sterne, Erik Madsen, Grant Stimpson, Ian Pirie, Ken Bones, Mark Sumner, Paul Westwood, Ross O'Hennessey, Tim Faraday