In the fifth year of Xuande's reign, Zheng He received a secret edict and embarked on his final voyage. This journey had nothing to do with tribute and glory, but only to leave a way out for the Ming Dynasty. There are assassinations in the court, stormy seas, and the sudden death of the emperor. Returning home is a crime, and staying abroad is a treason. Zheng He used his half-life navigation wisdom to hide a seed of fire for Chinese civilization that spanned a century amid the waves.