Equal parts historical art, mystery, and scientific exploration, Secrets of the Divine: The Altarpiece of Ciudad Rodrigo delves into Spanish fine art pieces and their sub-drawings to reveal surprising insights into the lives of the painters and their era. Follow the journey of the Retablo (altar pieces) which survived earthquakes, damage by the Napoleonic War, trans-Atlantic voyages, and years of storage in a bunker during WW II. Only 26 panels remain, carefully restored by art historians and researchers looking for answers.