An adventure of samurai in feudal Japan Japan, 1331. After two attempts of Mongolian invasion, the nation decides to establish a permanent military state. Until that moment the highest political and spiritual authority was the emperor, but now the powerful samurai have relegated him to the background. Emperor Go-Daigo plans to continue with the attempts of his predecessors to depose the shogun and restore the old social order. To do this, he must recruit from among the new and powerful provincial landowners those who are willing to fight for him. A hidden child, endowed with powers that he does not yet understand, will be dragged by events into the convulsive world of men and spirits. An enigmatic journey that will show you the customs and rites of Japan of the Kamakura era, the consolidation of Japanese Zen, will take you through the hidden mountains where the ancient spiritual masters live and will reveal the most famous murderer in history: the ninja. But in addition to an exciting historical adventure, there is another book within this novel, a moving guide to awakening, because everything we need is already inside us ...