In a radical and revelatory film, Waldemar Januszczak reveals the true meaning, hidden for 500 years, behind Michelangelo's greatest masterpiece: the ceiling of the Sistine Chapel in Rome. Januszczak embarks on a journey that takes him from Texas to Jerusalem, in the footsteps of Columbus and all around Italy, to solve the vital clues that finally reveal the crucial answers to one of the world's most enduring art mysteries. You will be shocked. He was. With unprecedented access to the Sistine Chapel as well as a wealth of historical archive, the film investigates one of the Catholic church's most jealously guarded and highly prized possessions in rich and revealing detail.