Walter VI, the Knights Templar and the mystery of the Holy Cloth. Two thousand years separate us from the central event of Christianity, the resurrection of Jesus of Nazareth. Since then, the Holy Shroud has been recognised as the most precious relic in the Christian world, the testimony of a unique event imprinted on a simple linen cloth. After its removal from Byzantium and its arrival in Athens, the Shroud disappeared for some 150 years until it officially reappeared in France in 1356. The "lost years" of the Shroud allow a new suggestive hypothesis: its possible passage from Florence, where it would have been kept in secret. Ancient frescoes, genealogical links, political intrigues and esoteric symbolism outline a path of research full of tangible references and ambiguous traces. A journey through the centuries, a meticulous analysis of the history and secrets of the Holy Cloth through the study of medieval sources and recent discoveries (...)